| 年份 | 保加利亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 7.03419 | 
| 2021 | 6.84275 | 
| 2020 | 6.62593 | 
| 2019 | 6.43863 | 
| 2018 | 6.28304 | 
| 2017 | 6.28822 | 
| 2016 | 6.4772 | 
| 2015 | 6.66725 | 
| 2014 | 6.73635 | 
| 2013 | 6.7362 | 
| 2012 | 6.76231 | 
| 2011 | 6.79909 | 
| 2010 | 6.84345 | 
| 2009 | 6.91083 | 
| 2008 | 6.99465 | 
| 2007 | 7.05025 | 
| 2006 | 7.03046 | 
| 2005 | 7.01513 | 
| 2004 | 7.09775 | 
| 2003 | 7.19893 | 
| 2002 | 7.26737 | 
| 2001 | 7.34546 | 
| 2000 | 7.34385 | 
| 1999 | 7.16026 | 
| 1998 | 6.86792 | 
| 1997 | 6.56098 | 
| 1996 | 6.25833 | 
| 1995 | 6.00121 | 
| 1994 | 5.84071 | 
| 1993 | 5.76543 | 
| 1992 | 5.76113 | 
| 1991 | 5.82747 | 
| 1990 | 5.96376 | 
| 1989 | 6.16308 | 
| 1988 | 6.37846 | 
| 1987 | 6.545 | 
| 1986 | 6.63946 | 
| 1985 | 6.66706 | 
| 1984 | 6.64306 | 
| 1983 | 6.60871 | 
| 1982 | 6.60858 | 
| 1981 | 6.65296 | 
| 1980 | 6.73024 | 
| 1979 | 6.83258 | 
| 1978 | 6.91529 | 
| 1977 | 6.93153 | 
| 1976 | 6.89473 | 
| 1975 | 6.7857 | 
| 1974 | 6.52655 | 
| 1973 | 6.12309 | 
| 1972 | 5.66514 | 
| 1971 | 5.2301 | 
| 1970 | 4.89457 | 
| 1969 | 4.77363 | 
| 1968 | 4.88735 | 
| 1967 | 5.10105 | 
| 1966 | 5.3316 | 
| 1965 | 5.57041 | 
| 1964 | 5.74902 | 
| 1963 | 5.839 | 
| 1962 | 5.90958 | 
| 1961 | 5.96761 | 
| 1960 | 5.96996 |