| 年份 | 蒙古 |
|---|---|
| 2023 | - |
| 2022 | 4.61067 |
| 2021 | 4.41872 |
| 2020 | 4.26028 |
| 2019 | 4.12314 |
| 2018 | 4.01395 |
| 2017 | 3.92997 |
| 2016 | 3.87979 |
| 2015 | 3.83906 |
| 2014 | 3.80438 |
| 2013 | 3.79396 |
| 2012 | 3.79109 |
| 2011 | 3.79848 |
| 2010 | 3.80739 |
| 2009 | 3.81316 |
| 2008 | 3.80745 |
| 2007 | 3.77976 |
| 2006 | 3.72573 |
| 2005 | 3.64891 |
| 2004 | 3.5717 |
| 2003 | 3.51836 |
| 2002 | 3.48354 |
| 2001 | 3.45343 |
| 2000 | 3.42435 |
| 1999 | 3.41935 |
| 1998 | 3.43613 |
| 1997 | 3.45134 |
| 1996 | 3.46709 |
| 1995 | 3.48557 |
| 1994 | 3.52149 |
| 1993 | 3.58455 |
| 1992 | 3.66563 |
| 1991 | 3.75057 |
| 1990 | 3.83477 |
| 1989 | 3.92232 |
| 1988 | 4.02289 |
| 1987 | 4.13082 |
| 1986 | 4.23108 |
| 1985 | 4.32133 |
| 1984 | 4.40568 |
| 1983 | 4.49911 |
| 1982 | 4.60249 |
| 1981 | 4.69868 |
| 1980 | 4.78251 |
| 1979 | 4.85219 |
| 1978 | 4.92553 |
| 1977 | 5.01114 |
| 1976 | 5.08994 |
| 1975 | 5.16255 |
| 1974 | 5.23889 |
| 1973 | 5.32711 |
| 1972 | 5.42892 |
| 1971 | 5.5444 |
| 1970 | 5.67479 |
| 1969 | 5.81074 |
| 1968 | 5.88074 |
| 1967 | 5.89068 |
| 1966 | 5.91274 |
| 1965 | 5.95125 |
| 1964 | 6.02124 |
| 1963 | 6.12894 |
| 1962 | 5.99761 |
| 1961 | 5.61319 |
| 1960 | 5.24081 |