| 年份 | 保加利亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 6.47317 | 
| 2021 | 6.63774 | 
| 2020 | 6.81191 | 
| 2019 | 6.87108 | 
| 2018 | 6.86132 | 
| 2017 | 6.87976 | 
| 2016 | 6.91194 | 
| 2015 | 6.95391 | 
| 2014 | 7.01661 | 
| 2013 | 7.09425 | 
| 2012 | 7.1408 | 
| 2011 | 7.09854 | 
| 2010 | 7.0696 | 
| 2009 | 7.15542 | 
| 2008 | 7.25031 | 
| 2007 | 7.30758 | 
| 2006 | 7.39515 | 
| 2005 | 7.39326 | 
| 2004 | 7.18471 | 
| 2003 | 6.87885 | 
| 2002 | 6.57199 | 
| 2001 | 6.26731 | 
| 2000 | 6.00466 | 
| 1999 | 5.84045 | 
| 1998 | 5.75379 | 
| 1997 | 5.72654 | 
| 1996 | 5.76616 | 
| 1995 | 5.87379 | 
| 1994 | 6.03835 | 
| 1993 | 6.21368 | 
| 1992 | 6.33985 | 
| 1991 | 6.39167 | 
| 1990 | 6.37977 | 
| 1989 | 6.32426 | 
| 1988 | 6.26133 | 
| 1987 | 6.23455 | 
| 1986 | 6.25144 | 
| 1985 | 6.29579 | 
| 1984 | 6.35756 | 
| 1983 | 6.39881 | 
| 1982 | 6.3812 | 
| 1981 | 6.32493 | 
| 1980 | 6.21981 | 
| 1979 | 5.99257 | 
| 1978 | 5.64093 | 
| 1977 | 5.24362 | 
| 1976 | 4.86518 | 
| 1975 | 4.57016 | 
| 1974 | 4.47173 | 
| 1973 | 4.58962 | 
| 1972 | 4.7971 | 
| 1971 | 5.022 | 
| 1970 | 5.25531 | 
| 1969 | 5.43223 | 
| 1968 | 5.52654 | 
| 1967 | 5.59588 | 
| 1966 | 5.6383 | 
| 1965 | 5.61873 | 
| 1964 | 5.55413 | 
| 1963 | 5.46045 | 
| 1962 | 5.3443 | 
| 1961 | 5.22379 | 
| 1960 | 5.09376 |