| 年份 | 保加利亚 |
|---|---|
| 2023 | - |
| 2022 | 35.1709 |
| 2021 | 35.2621 |
| 2020 | 34.9444 |
| 2019 | 34.3033 |
| 2018 | 33.5272 |
| 2017 | 32.7825 |
| 2016 | 32.1013 |
| 2015 | 31.3661 |
| 2014 | 30.527 |
| 2013 | 29.6079 |
| 2012 | 28.7236 |
| 2011 | 27.8995 |
| 2010 | 27.1871 |
| 2009 | 26.6837 |
| 2008 | 26.3246 |
| 2007 | 26.0591 |
| 2006 | 25.8484 |
| 2005 | 25.6961 |
| 2004 | 25.5821 |
| 2003 | 25.4762 |
| 2002 | 25.3446 |
| 2001 | 25.1289 |
| 2000 | 24.8452 |
| 1999 | 24.4855 |
| 1998 | 24.1189 |
| 1997 | 23.8449 |
| 1996 | 23.6041 |
| 1995 | 23.3368 |
| 1994 | 23.0336 |
| 1993 | 22.6881 |
| 1992 | 22.294 |
| 1991 | 21.8916 |
| 1990 | 21.4643 |
| 1989 | 20.9739 |
| 1988 | 20.481 |
| 1987 | 20.0159 |
| 1986 | 19.5256 |
| 1985 | 19.0808 |
| 1984 | 18.7981 |
| 1983 | 18.7119 |
| 1982 | 18.7358 |
| 1981 | 18.6953 |
| 1980 | 18.5769 |
| 1979 | 18.3375 |
| 1978 | 17.9589 |
| 1977 | 17.5903 |
| 1976 | 17.2051 |
| 1975 | 16.739 |
| 1974 | 16.2487 |
| 1973 | 15.7622 |
| 1972 | 15.3243 |
| 1971 | 14.9301 |
| 1970 | 14.5082 |
| 1969 | 14.0918 |
| 1968 | 13.704 |
| 1967 | 13.3365 |
| 1966 | 12.9634 |
| 1965 | 12.5645 |
| 1964 | 12.1793 |
| 1963 | 11.8353 |
| 1962 | 11.582 |
| 1961 | 11.333 |
| 1960 | 11.0471 |