| 年份 | 保加利亚 |
|---|---|
| 2023 | - |
| 2022 | 18.3225 |
| 2021 | 18.9503 |
| 2020 | 19.4027 |
| 2019 | 16.7118 |
| 2018 | 16.4214 |
| 2017 | 15.5846 |
| 2016 | 15.5889 |
| 2015 | 16.0891 |
| 2014 | 16.8331 |
| 2013 | 17.0826 |
| 2012 | 15.791 |
| 2011 | 15.85 |
| 2010 | 16.5024 |
| 2009 | 16.7394 |
| 2008 | 17.1498 |
| 2007 | 16.6883 |
| 2006 | 18.1469 |
| 2005 | 18.1536 |
| 2004 | 19.3619 |
| 2003 | 20.1106 |
| 2002 | 19.1782 |
| 2001 | 19.3685 |
| 2000 | 19.7851 |
| 1999 | 19.6065 |
| 1998 | 18.3453 |
| 1997 | 12.1432 |
| 1996 | 13.849 |
| 1995 | 15.3482 |
| 1994 | 17.1893 |
| 1993 | 18.8558 |
| 1992 | 20.3362 |
| 1991 | 19.0332 |
| 1990 | 18.1866 |
| 1989 | 16.5347 |
| 1988 | 16.3239 |
| 1987 | 16.8729 |
| 1986 | 16.9479 |
| 1985 | 16.5754 |
| 1984 | 15.1303 |
| 1983 | 15.4961 |
| 1982 | 15.0105 |
| 1981 | 14.7351 |
| 1980 | 13.6986 |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |