| Country or Area | Year | Value | |
|---|
| Europe & Central Asia (excluding high income) | 2023 | 22.63660520598033 |
| Europe & Central Asia (excluding high income) | 2022 | 21.40623030413286 |
| Europe & Central Asia (excluding high income) | 2021 | 18.66941478636065 |
| Europe & Central Asia (excluding high income) | 2020 | 18.132195815320927 |
| Europe & Central Asia (excluding high income) | 2019 | 17.06785970162847 |
| Europe & Central Asia (excluding high income) | 2018 | 16.41989811887851 |
| Europe & Central Asia (excluding high income) | 2017 | 17.670455394811796 |
| Europe & Central Asia (excluding high income) | 2016 | 16.400324459958338 |
| Europe & Central Asia (excluding high income) | 2015 | 18.19771263032481 |
| Europe & Central Asia (excluding high income) | 2014 | 22.893589494151286 |
| Europe & Central Asia (excluding high income) | 2013 | 24.327773865700994 |
| Europe & Central Asia (excluding high income) | 2012 | 23.340797552245764 |
| Europe & Central Asia (excluding high income) | 2011 | 22.290770928681074 |
| Europe & Central Asia (excluding high income) | 2010 | 21.985609038968366 |
| Europe & Central Asia (excluding high income) | 2009 | 17.00709475374104 |
| Europe & Central Asia (excluding high income) | 2008 | 17.761356617489152 |
| Europe & Central Asia (excluding high income) | 2007 | 19.678325988820944 |
| Europe & Central Asia (excluding high income) | 2006 | 21.808855205843898 |
| Europe & Central Asia (excluding high income) | 2005 | 23.57918775790887 |
| Europe & Central Asia (excluding high income) | 2004 | 21.093877819690576 |
| Europe & Central Asia (excluding high income) | 2003 | 18.936163131537306 |
| Europe & Central Asia (excluding high income) | 2002 | 16.590478244517687 |
| Europe & Central Asia (excluding high income) | 2001 | 18.35760309652343 |
| Europe & Central Asia (excluding high income) | 2000 | 20.90336883671486 |
| Europe & Central Asia (excluding high income) | 1999 | 19.418323292212158 |
| Europe & Central Asia (excluding high income) | 1998 | 19.312296239885956 |
| Europe & Central Asia (excluding high income) | 1997 | 20.009312797418108 |
| Europe & Central Asia (excluding high income) | 1996 | 18.583406125934097 |
| Europe & Central Asia (excluding high income) | 1995 | 17.974338950860837 |
| Europe & Central Asia (excluding high income) | 1994 | 16.29843337631418 |
| Europe & Central Asia (excluding high income) | 1993 | 22.729575851015536 |
| Europe & Central Asia (excluding high income) | 1992 | 19.250783461108124 |
| Europe & Central Asia (excluding high income) | 1991 | 14.491167604709737 |
| Europe & Central Asia (excluding high income) | 1990 | 15.298642036879517 |
| Europe & Central Asia (excluding high income) | 1989 | 10.892152206805756 |
| Europe & Central Asia (excluding high income) | 1988 | 12.124691660539812 |
| Europe & Central Asia (excluding high income) | 1987 | 14.07068870956129 |
| Europe & Central Asia (excluding high income) | 1986 | 14.170611395359103 |
| Europe & Central Asia (excluding high income) | 1985 | 11.962710998276544 |
| Europe & Central Asia (excluding high income) | 1984 | 10.206454465916922 |
| Europe & Central Asia (excluding high income) | 1983 | 8.403818875227389 |
| Europe & Central Asia (excluding high income) | 1982 | 9.037521971151948 |
| Europe & Central Asia (excluding high income) | 1981 | 11.766445193406955 |
| Europe & Central Asia (excluding high income) | 1980 | 12.335852447265271 |
| Europe & Central Asia (excluding high income) | 1979 | 16.964646003681974 |
| Europe & Central Asia (excluding high income) | 1978 | 30.504152881903433 |
| Europe & Central Asia (excluding high income) | 1977 | 32.40621406318282 |
| Europe & Central Asia (excluding high income) | 1976 | 17.23591176989548 |
| Europe & Central Asia (excluding high income) | 1975 | 17.50022442978832 |
| Europe & Central Asia (excluding high income) | 1974 | 17.84196697138288 |
