| 年份 | 保加利亚 |
|---|---|
| 2023 | - |
| 2022 | 0.205178 |
| 2021 | 1.82752 |
| 2020 | 1.933 |
| 2019 | 3.20226 |
| 2018 | 2.51743 |
| 2017 | 4.28686 |
| 2016 | 4.91012 |
| 2015 | 0.87879 |
| 2014 | -1.07915 |
| 2013 | -0.558726 |
| 2012 | -3.27877 |
| 2011 | 0.158311 |
| 2010 | -3.18443 |
| 2009 | -8.25495 |
| 2008 | -19.7334 |
| 2007 | -18.8225 |
| 2006 | -17.0917 |
| 2005 | -14.6551 |
| 2004 | -11.1506 |
| 2003 | -10.18 |
| 2002 | -7.975 |
| 2001 | -9.31873 |
| 2000 | -5.30799 |
| 1999 | -4.57539 |
| 1998 | 6.83749 |
| 1997 | 12.6886 |
| 1996 | 11.1733 |
| 1995 | 9.41633 |
| 1994 | -0.625 |
| 1993 | -7.62797 |
| 1992 | -5.82669 |
| 1991 | 4.27413 |
| 1990 | -3.60868 |
| 1989 | -1.73778 |
| 1988 | -0.33042 |
| 1987 | -1.83705 |
| 1986 | -3.43629 |
| 1985 | -0.407114 |
| 1984 | 1.88501 |
| 1983 | 0.208623 |
| 1982 | 1.06642 |
| 1981 | 1.11582 |
| 1980 | 5.01919 |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |