| 年份 | 保加利亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 74.0276 |
| 2020 | 74.3762 |
| 2019 | 75.3371 |
| 2018 | 76.2302 |
| 2017 | 76.0799 |
| 2016 | 75.4749 |
| 2015 | 74.0449 |
| 2014 | 69.5866 |
| 2013 | 65.3931 |
| 2012 | 62.1617 |
| 2011 | 59.8247 |
| 2010 | 58.3549 |
| 2009 | 55.0084 |
| 2008 | 52.6504 |
| 2007 | 51.2403 |
| 2006 | 47.7948 |
| 2005 | 46.2253 |
| 2004 | 43.6936 |
| 2003 | 42.8536 |
| 2002 | 41.429 |
| 2001 | 41.0408 |
| 2000 | 42.3398 |
| 1999 | 44.0834 |
| 1998 | 42.1581 |
| 1997 | 41.8088 |
| 1996 | 39.6897 |
| 1995 | 35.8241 |
| 1994 | 33.4435 |
| 1993 | 31.8155 |
| 1992 | 30.3538 |
| 1991 | 30.4807 |
| 1990 | 25.5723 |
| 1989 | 24.584 |
| 1988 | 22.4143 |
| 1987 | 20.9222 |
| 1986 | 19.1693 |
| 1985 | 17.3745 |
| 1984 | 16.1459 |
| 1983 | 15.446 |
| 1982 | 15.7331 |
| 1981 | 16.2024 |
| 1980 | 17.1339 |
| 1979 | 18.3291 |
| 1978 | 22.1397 |
| 1977 | 19.8587 |
| 1976 | 19.4539 |
| 1975 | 19.0956 |
| 1974 | 18.2364 |
| 1973 | 17.4487 |
| 1972 | 15.7503 |
| 1971 | 14.4088 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |