| 年份 | 蒙古  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 0.518071 | 
| 2021 | 0.512531 | 
| 2020 | 0.495998 | 
| 2019 | 0.469835 | 
| 2018 | 0.453657 | 
| 2017 | 0.437769 | 
| 2016 | 0.425967 | 
| 2015 | 0.415094 | 
| 2014 | 0.406282 | 
| 2013 | 0.399095 | 
| 2012 | 0.392879 | 
| 2011 | 0.389558 | 
| 2010 | 0.379724 | 
| 2009 | 0.362003 | 
| 2008 | 0.348773 | 
| 2007 | 0.341189 | 
| 2006 | 0.33622 | 
| 2005 | 0.331913 | 
| 2004 | 0.328821 | 
| 2003 | 0.328987 | 
| 2002 | 0.32957 | 
| 2001 | 0.323479 | 
| 2000 | 0.314174 | 
| 1999 | 0.314734 | 
| 1998 | 0.326955 | 
| 1997 | 0.344302 | 
| 1996 | 0.361476 | 
| 1995 | 0.374644 | 
| 1994 | 0.385201 | 
| 1993 | 0.394887 | 
| 1992 | 0.404057 | 
| 1991 | 0.412306 | 
| 1990 | 0.421136 | 
| 1989 | 0.433171 | 
| 1988 | 0.447346 | 
| 1987 | 0.462369 | 
| 1986 | 0.474902 | 
| 1985 | 0.480332 | 
| 1984 | 0.478722 | 
| 1983 | 0.473363 | 
| 1982 | 0.465056 | 
| 1981 | 0.451299 | 
| 1980 | 0.433321 | 
| 1979 | 0.414184 | 
| 1978 | 0.41036 | 
| 1977 | 0.423967 | 
| 1976 | 0.438495 | 
| 1975 | 0.450682 | 
| 1974 | 0.458439 | 
| 1973 | 0.460437 | 
| 1972 | 0.457933 | 
| 1971 | 0.452833 | 
| 1970 | 0.446287 | 
| 1969 | 0.438697 | 
| 1968 | 0.426179 | 
| 1967 | 0.412569 | 
| 1966 | 0.405336 | 
| 1965 | 0.402585 | 
| 1964 | 0.401522 | 
| 1963 | 0.400645 | 
| 1962 | 0.35604 | 
| 1961 | 0.276322 | 
| 1960 | 0.214989 |