| 2023 | Shqipëria | 1,39 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2023 |
| 2023 | Maqedonia e Veriut | 1,53 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2023 |
| 2023 | Mali i Zi | 0,79 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2023 |
| 2023 | Serbia | 1,31 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2023 |
| 2023 | Bosnja e H. | 1,22 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2023 |
| 2023 | Kroacia | 0,67 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2023 |
| 2023 | Bullgaria | 1,09 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2023 |
| 2022 | Shqipëria | 1,70 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2022 |
| 2022 | Maqedonia e Veriut | 0,98 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2022 |
| 2022 | Mali i Zi | 2,60 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2022 |
| 2022 | Serbia | 1,09 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2022 |
| 2022 | Bosnja e H. | 1,09 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2022 |
| 2022 | Kroacia | 0,79 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2022 |
| 2022 | Bullgaria | 1,11 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2022 |
| 2021 | Kosova | 1,89 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2021 |
| 2021 | Shqipëria | 2,32 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2021 |
| 2021 | Maqedonia e Veriut | 0,76 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2021 |
| 2021 | Mali i Zi | 2,48 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2021 |
| 2021 | Serbia | 1,13 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2021 |
| 2021 | Bosnja e H. | 0,99 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2021 |
| 2021 | Kroacia | 0,84 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2021 |
| 2021 | Bullgaria | 1,29 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2021 |
| 2020 | Kosova | 2,11 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2020 |
| 2020 | Shqipëria | 2,12 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2020 |
| 2020 | Maqedonia e Veriut | 0,59 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2020 |
| 2020 | Mali i Zi | 2,96 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2020 |
| 2020 | Serbia | 1,22 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2020 |
| 2020 | Bosnja e H. | 1,30 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2020 |
| 2020 | Kroacia | 1,01 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2020 |
| 2020 | Bullgaria | 1,00 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2020 |
| 2019 | Kosova | 1,37 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2019 |
| 2019 | Shqipëria | 2,25 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2019 |
| 2019 | Maqedonia e Veriut | 1,21 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2019 |
| 2019 | Mali i Zi | 3,76 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2019 |
| 2019 | Serbia | 1,26 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2019 |
| 2019 | Bosnja e H. | 1,26 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2019 |
| 2019 | Kroacia | 0,83 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2019 |
| 2019 | Bullgaria | 1,19 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2019 |
| 2018 | Kosova | 2,49 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2018 |
| 2018 | Shqipëria | 2,28 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2018 |
| 2018 | Maqedonia e Veriut | 1,30 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2018 |
| 2018 | Mali i Zi | 2,27 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2018 |
| 2018 | Serbia | 1,50 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2018 |
| 2018 | Bosnja e H. | 1,15 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2018 |
| 2018 | Kroacia | 0,60 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2018 |
| 2018 | Bullgaria | 1,31 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2018 |
| 2017 | Kosova | 2,71 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2017 |
| 2017 | Shqipëria | 2,00 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2017 |
| 2017 | Maqedonia e Veriut | 1,60 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2017 |
| 2017 | Mali i Zi | 2,42 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2017 |
| 2017 | Serbia | 1,22 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2017 |
| 2017 | Bosnja e H. | 1,22 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2017 |
| 2017 | Kroacia | 1,13 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2017 |
| 2017 | Bullgaria | 1,46 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2017 |
| 2016 | Kosova | 2,16 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2016 |
| 2016 | Shqipëria | 2,73 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2016 |
| 2016 | Maqedonia e Veriut | 0,97 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2016 |
| 2016 | Mali i Zi | 4,49 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2016 |
| 2016 | Serbia | 1,63 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2016 |
| 2016 | Bosnja e H. | 1,30 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2016 |
| 2016 | Kroacia | 1,06 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2016 |
| 2016 | Bullgaria | 1,11 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2016 |
| 2015 | Kosova | 2,36 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2015 |
| 2015 | Shqipëria | 2,21 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2015 |
| 2015 | Maqedonia e Veriut | 1,26 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2015 |
| 2015 | Mali i Zi | 2,71 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2015 |
| 2015 | Serbia | 1,39 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2015 |
| 2015 | Bosnja e H. | 1,62 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2015 |
| 2015 | Kroacia | 0,88 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2015 |
| 2015 | Bullgaria | 1,76 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2015 |
| 2014 | Kosova | 3,04 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2014 |
| 2014 | Shqipëria | 4,61 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2014 |
| 2014 | Maqedonia e Veriut | 1,75 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2014 |
| 2014 | Mali i Zi | 3,17 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2014 |
| 2014 | Serbia | 1,63 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2014 |
| 2014 | Bosnja e H. | 1,40 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2014 |
| 2014 | Kroacia | 0,85 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2014 |
| 2014 | Bullgaria | 1,55 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2014 |
| 2013 | Kosova | 2,26 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2013 |
| 2013 | Shqipëria | 4,26 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2013 |
| 2013 | Maqedonia e Veriut | 1,09 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2013 |
| 2013 | Mali i Zi | 1,58 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2013 |
| 2013 | Serbia | 1,91 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2013 |
| 2013 | Bosnja e H. | 1,27 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2013 |
| 2013 | Kroacia | 1,08 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2013 |
| 2013 | Bullgaria | 1,50 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2013 |
| 2012 | Kosova | 4,98 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2012 |
| 2012 | Shqipëria | 5,40 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2012 |
| 2012 | Maqedonia e Veriut | 1,43 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2012 |
| 2012 | Mali i Zi | 2,68 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2012 |
| 2012 | Serbia | 1,50 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2012 |
| 2012 | Bosnja e H. | 1,72 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2012 |
| 2012 | Kroacia | 1,20 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2012 |
| 2012 | Bullgaria | 1,93 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2012 |
| 2011 | Kosova | 3,46 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2011 |
| 2011 | Shqipëria | 4,88 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2011 |
| 2011 | Maqedonia e Veriut | 1,47 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2011 |
| 2011 | Mali i Zi | 3,32 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2011 |
| 2011 | Serbia | 1,75 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2011 |
| 2011 | Bosnja e H. | 1,36 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2011 |
| 2011 | Kroacia | 1,14 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2011 |
| 2011 | Bullgaria | 1,73 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2011 |
| 2010 | Kosova | 5,93 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2010 |
| 2010 | Shqipëria | 4,06 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2010 |
| 2010 | Maqedonia e Veriut | 2,10 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2010 |
| 2010 | Mali i Zi | 2,37 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2010 |
| 2010 | Serbia | 1,78 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2010 |
| 2010 | Bosnja e H. | 1,47 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2010 |
| 2010 | Kroacia | 1,44 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2010 |
| 2010 | Bullgaria | 1,99 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2010 |
| 2009 | Kosova | 4,07 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2009 |
| 2009 | Shqipëria | 2,87 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2009 |
| 2009 | Maqedonia e Veriut | 1,70 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2009 |
| 2009 | Mali i Zi | 3,32 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2009 |
| 2009 | Serbia | 2,07 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2009 |
| 2009 | Bosnja e H. | 1,83 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2009 |
| 2009 | Kroacia | 1,14 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2009 |
| 2009 | Bullgaria | 2,00 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2009 |
| 2008 | Kosova | 6,27 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2008 |
| 2008 | Shqipëria | 3,11 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2008 |
| 2008 | Maqedonia e Veriut | 1,69 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2008 |
| 2008 | Mali i Zi | 3,79 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2008 |
| 2008 | Serbia | 1,88 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2008 |
| 2008 | Bosnja e H. | 1,67 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2008 |
| 2008 | Kroacia | 1,65 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2008 |
| 2008 | Bullgaria | 2,28 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2008 |
| 2007 | Shqipëria | 3,47 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2007 |
| 2007 | Maqedonia e Veriut | 2,02 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2007 |
| 2007 | Mali i Zi | 1,89 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2007 |
| 2007 | Serbia | 2,29 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2007 |
| 2007 | Bosnja e H. | 1,64 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2007 |
| 2007 | Kroacia | 1,44 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2007 |
| 2007 | Bullgaria | 2,33 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2007 |
| 2006 | Shqipëria | 3,11 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2006 |
| 2006 | Maqedonia e Veriut | 2,20 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2006 |
| 2006 | Serbia | 2,08 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2006 |
| 2006 | Kroacia | 1,71 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2006 |
| 2006 | Bullgaria | 2,43 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2006 |
| 2005 | Shqipëria | 5,01 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2005 |
| 2005 | Serbia | 1,95 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2005 |
| 2005 | Kroacia | 1,58 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2005 |
| 2005 | Bullgaria | 2,59 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2005 |
| 2004 | Shqipëria | 4,23 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2004 |
| 2004 | Maqedonia e Veriut | 2,35 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2004 |
| 2004 | Serbia | 2,17 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2004 |
| 2004 | Bosnja e H. | 1,64 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2004 |
| 2004 | Kroacia | 1,93 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2004 |
| 2004 | Bullgaria | 3,15 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2004 |
| 2003 | Shqipëria | 5,32 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2003 |
| 2003 | Maqedonia e Veriut | 3,36 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2003 |
| 2003 | Serbia | 2,32 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2003 |
| 2003 | Kroacia | 1,60 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2003 |
| 2003 | Bullgaria | 3,16 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2003 |
| 2002 | Shqipëria | 6,89 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2002 |
| 2002 | Maqedonia e Veriut | 2,89 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2002 |
| 2002 | Mali i Zi | 4,26 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2002 |
| 2002 | Serbia | 2,63 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2002 |
| 2002 | Bosnja e H. | 2,15 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2002 |
| 2002 | Kroacia | 1,70 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2002 |
| 2002 | Bullgaria | 3,24 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2002 |
| 2001 | Shqipëria | 6,99 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2001 |
| 2001 | Maqedonia e Veriut | 2,66 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2001 |
| 2001 | Serbia | 3,18 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2001 |
| 2001 | Bosnja e H. | 1,96 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2001 |
| 2001 | Kroacia | 1,88 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2001 |
| 2001 | Bullgaria | 3,88 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2001 |
| 2000 | Shqipëria | 4,14 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2000 |
| 2000 | Maqedonia e Veriut | 2,28 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2000 |
| 2000 | Serbia | 2,96 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2000 |
| 2000 | Bosnja e H. | 2,38 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2000 |
| 2000 | Kroacia | 2,33 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2000 |
| 2000 | Bullgaria | 4,15 | | World Bank API, seria VC.IHR.PSRC.P5, viti 2000 |