| 年份 | 保加利亚 |
|---|---|
| 2023 | - |
| 2022 | 10.4746 |
| 2021 | 9.35742 |
| 2020 | 0.0358082 |
| 2019 | 6.70847 |
| 2018 | 4.46814 |
| 2017 | 3.30492 |
| 2016 | 2.8851 |
| 2015 | 3.47682 |
| 2014 | 1.9487 |
| 2013 | -3.32403 |
| 2012 | 4.33323 |
| 2011 | 2.64503 |
| 2010 | 3.04214 |
| 2009 | -3.6453 |
| 2008 | 4.21971 |
| 2007 | 12.3151 |
| 2006 | 9.36043 |
| 2005 | 8.12592 |
| 2004 | 10.3019 |
| 2003 | 7.3417 |
| 2002 | 8.01163 |
| 2001 | 9.84031 |
| 2000 | 9.53921 |
| 1999 | 7.69319 |
| 1998 | -2.1024 |
| 1997 | -31.9354 |
| 1996 | 4.02039 |
| 1995 | 19.1088 |
| 1994 | -4.0748 |
| 1993 | -2.12237 |
| 1992 | -1.34627 |
| 1991 | -24.3039 |
| 1990 | 7.62012 |
| 1989 | -2.68451 |
| 1988 | 6.44026 |
| 1987 | 5.5597 |
| 1986 | 1.93092 |
| 1985 | -0.106774 |
| 1984 | 4.90956 |
| 1983 | 2.05276 |
| 1982 | 4.96778 |
| 1981 | 4.17949 |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |