| Country or Area | Year | Value | |
|---|
| Europe & Central Asia (excluding high income) | 2021 | 18.656849678621054 |
| Europe & Central Asia (excluding high income) | 2020 | 18.555222470351488 |
| Europe & Central Asia (excluding high income) | 2019 | 17.68940557973948 |
| Europe & Central Asia (excluding high income) | 2018 | 16.315332113819146 |
| Europe & Central Asia (excluding high income) | 2017 | 15.91156104809722 |
| Europe & Central Asia (excluding high income) | 2016 | 14.568627991641605 |
| Europe & Central Asia (excluding high income) | 2015 | 15.325934642952287 |
| Europe & Central Asia (excluding high income) | 2014 | 18.16607618273624 |
| Europe & Central Asia (excluding high income) | 2013 | 18.862547431480152 |
| Europe & Central Asia (excluding high income) | 2012 | 18.709278509961887 |
| Europe & Central Asia (excluding high income) | 2011 | 17.604445368018073 |
| Europe & Central Asia (excluding high income) | 2010 | 18.494193717336262 |
| Europe & Central Asia (excluding high income) | 2009 | 15.741472461600969 |
| Europe & Central Asia (excluding high income) | 2008 | 18.273473469976135 |
| Europe & Central Asia (excluding high income) | 2007 | 21.395514606779965 |
| Europe & Central Asia (excluding high income) | 2006 | 17.700676173423492 |
| Europe & Central Asia (excluding high income) | 2005 | 17.428405941980564 |
| Europe & Central Asia (excluding high income) | 2004 | 16.42632813383668 |
| Europe & Central Asia (excluding high income) | 2003 | 17.05733782659493 |
| Europe & Central Asia (excluding high income) | 2002 | 14.174287394457966 |
| Europe & Central Asia (excluding high income) | 2001 | 16.073818787723333 |
| Europe & Central Asia (excluding high income) | 2000 | 16.156292874876783 |
| Europe & Central Asia (excluding high income) | 1999 | 13.624643147815929 |
| Europe & Central Asia (excluding high income) | 1998 | 13.49894479227694 |
| Europe & Central Asia (excluding high income) | 1997 | 12.569833519753418 |
| Europe & Central Asia (excluding high income) | 1996 | 13.733832185040413 |
| Europe & Central Asia (excluding high income) | 1995 | 12.562724406155814 |
| Europe & Central Asia (excluding high income) | 1994 | 11.334997639730265 |
| Europe & Central Asia (excluding high income) | 1993 | 14.375261877308358 |
| Europe & Central Asia (excluding high income) | 1992 | 17.500963507440655 |
| Europe & Central Asia (excluding high income) | 1991 | 16.295111608943387 |
| Europe & Central Asia (excluding high income) | 1990 | 16.828454916525622 |
| Europe & Central Asia (excluding high income) | 1989 | 20.56672497224654 |
| Europe & Central Asia (excluding high income) | 1988 | 17.09313060747063 |
| Europe & Central Asia (excluding high income) | 1987 | 16.246630825095117 |
| Europe & Central Asia (excluding high income) | 1986 | 16.66906187996922 |
| Europe & Central Asia (excluding high income) | 1985 | 15.823003410050484 |
| Europe & Central Asia (excluding high income) | 1984 | 6.866353815645855 |
| Europe & Central Asia (excluding high income) | 1983 | 7.170925717122214 |
| Europe & Central Asia (excluding high income) | 1982 | 7.8892691992534765 |
| Europe & Central Asia (excluding high income) | 1981 | 10.48628612658566 |
| Europe & Central Asia (excluding high income) | 1980 | 10.92265179925816 |
| Europe & Central Asia (excluding high income) | 1979 | 15.982669763108506 |
| Europe & Central Asia (excluding high income) | 1978 | 28.618294686534785 |
| Europe & Central Asia (excluding high income) | 1977 | 30.9052540390947 |
| Europe & Central Asia (excluding high income) | 1976 | 16.543336802121182 |
| Europe & Central Asia (excluding high income) | 1975 | 15.80648973800438 |
| Europe & Central Asia (excluding high income) | 1974 | 17.802555886529365 |
| Europe & Central Asia (excluding high income) | 1973 | 18.103538743695317 |
| Europe & Central Asia (excluding high income) | 1972 | 18.25980611417894 |
