| 年份 | 保加利亚 |
|---|---|
| 2023 | - |
| 2022 | -5.74365 |
| 2021 | -0.367953 |
| 2020 | -0.151331 |
| 2019 | -0.25297 |
| 2018 | -0.269102 |
| 2017 | -0.274061 |
| 2016 | -0.244264 |
| 2015 | -0.178846 |
| 2014 | -0.108408 |
| 2013 | -0.0975441 |
| 2012 | -0.116335 |
| 2011 | -0.177597 |
| 2010 | -0.188315 |
| 2009 | -0.169291 |
| 2008 | -0.220467 |
| 2007 | -0.248679 |
| 2006 | -0.26769 |
| 2005 | -0.254448 |
| 2004 | -0.249496 |
| 2003 | -0.282797 |
| 2002 | -1.65443 |
| 2001 | -1.60386 |
| 2000 | -0.171158 |
| 1999 | -0.235411 |
| 1998 | -0.341008 |
| 1997 | -0.279961 |
| 1996 | -0.184329 |
| 1995 | -0.11291 |
| 1994 | -0.00299773 |
| 1993 | -0.389884 |
| 1992 | -0.567025 |
| 1991 | -0.479518 |
| 1990 | -1.28717 |
| 1989 | -0.64928 |
| 1988 | 0.640477 |
| 1987 | 0.679532 |
| 1986 | 0.604721 |
| 1985 | 0.761599 |
| 1984 | 1.01078 |
| 1983 | 1.0372 |
| 1982 | 1.09291 |
| 1981 | 1.13999 |
| 1980 | 1.83623 |
| 1979 | 1.59954 |
| 1978 | 1.61157 |
| 1977 | 2.04853 |
| 1976 | 2.09401 |
| 1975 | 2.31132 |
| 1974 | 2.53961 |
| 1973 | 2.43535 |
| 1972 | 2.43041 |
| 1971 | 2.5565 |
| 1970 | 3.10516 |
| 1969 | 3.28049 |
| 1968 | 3.29485 |
| 1967 | 3.2748 |
| 1966 | 3.83387 |
| 1965 | 4.6726 |
| 1964 | 4.89241 |
| 1963 | 5.00811 |
| 1962 | 5.19501 |
| 1961 | 5.39207 |
| 1960 | - |