| 年份 | 保加利亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 7.848 | 
| 2021 | 7.94353 | 
| 2020 | 8.06621 | 
| 2019 | 8.18584 | 
| 2018 | 8.23506 | 
| 2017 | 8.10475 | 
| 2016 | 7.88623 | 
| 2015 | 7.7282 | 
| 2014 | 7.60467 | 
| 2013 | 7.54277 | 
| 2012 | 7.47843 | 
| 2011 | 7.31034 | 
| 2010 | 7.10601 | 
| 2009 | 6.92872 | 
| 2008 | 6.79318 | 
| 2007 | 6.79244 | 
| 2006 | 6.94516 | 
| 2005 | 7.10381 | 
| 2004 | 7.16179 | 
| 2003 | 7.14619 | 
| 2002 | 7.15068 | 
| 2001 | 7.16148 | 
| 2000 | 7.15343 | 
| 1999 | 7.15207 | 
| 1998 | 7.1658 | 
| 1997 | 7.15008 | 
| 1996 | 7.0851 | 
| 1995 | 7.02693 | 
| 1994 | 7.02714 | 
| 1993 | 7.06477 | 
| 1992 | 7.11179 | 
| 1991 | 7.16462 | 
| 1990 | 7.16419 | 
| 1989 | 7.04053 | 
| 1988 | 6.80726 | 
| 1987 | 6.53518 | 
| 1986 | 6.26969 | 
| 1985 | 6.03413 | 
| 1984 | 5.87571 | 
| 1983 | 5.80965 | 
| 1982 | 5.82754 | 
| 1981 | 5.922 | 
| 1980 | 6.09511 | 
| 1979 | 6.34826 | 
| 1978 | 6.6362 | 
| 1977 | 6.89397 | 
| 1976 | 7.09223 | 
| 1975 | 7.22117 | 
| 1974 | 7.28385 | 
| 1973 | 7.30936 | 
| 1972 | 7.33756 | 
| 1971 | 7.40465 | 
| 1970 | 7.52658 | 
| 1969 | 7.6867 | 
| 1968 | 7.8263 | 
| 1967 | 7.87699 | 
| 1966 | 7.83296 | 
| 1965 | 7.69391 | 
| 1964 | 7.39674 | 
| 1963 | 6.94517 | 
| 1962 | 6.42902 | 
| 1961 | 5.92617 | 
| 1960 | 5.51706 |