| 年份 | 蒙古 |
|---|---|
| 2023 | - |
| 2022 | 4.9251 |
| 2021 | 4.88425 |
| 2020 | 4.83089 |
| 2019 | 4.8235 |
| 2018 | 4.87711 |
| 2017 | 4.91737 |
| 2016 | 4.92265 |
| 2015 | 4.90567 |
| 2014 | 4.85848 |
| 2013 | 4.74356 |
| 2012 | 4.59416 |
| 2011 | 4.41371 |
| 2010 | 4.20853 |
| 2009 | 3.97811 |
| 2008 | 3.72985 |
| 2007 | 3.47813 |
| 2006 | 3.23812 |
| 2005 | 3.02798 |
| 2004 | 2.85715 |
| 2003 | 2.71374 |
| 2002 | 2.59688 |
| 2001 | 2.50531 |
| 2000 | 2.41852 |
| 1999 | 2.36337 |
| 1998 | 2.36881 |
| 1997 | 2.42233 |
| 1996 | 2.52623 |
| 1995 | 2.66599 |
| 1994 | 2.79177 |
| 1993 | 2.86311 |
| 1992 | 2.87339 |
| 1991 | 2.8354 |
| 1990 | 2.781 |
| 1989 | 2.7473 |
| 1988 | 2.7624 |
| 1987 | 2.82449 |
| 1986 | 2.90168 |
| 1985 | 2.96421 |
| 1984 | 2.99414 |
| 1983 | 2.98925 |
| 1982 | 2.95528 |
| 1981 | 2.91129 |
| 1980 | 2.88661 |
| 1979 | 2.88813 |
| 1978 | 2.91743 |
| 1977 | 2.98239 |
| 1976 | 3.07417 |
| 1975 | 3.18346 |
| 1974 | 3.30151 |
| 1973 | 3.40812 |
| 1972 | 3.48274 |
| 1971 | 3.52188 |
| 1970 | 3.53477 |
| 1969 | 3.53481 |
| 1968 | 3.56833 |
| 1967 | 3.67306 |
| 1966 | 3.82633 |
| 1965 | 3.98327 |
| 1964 | 4.09779 |
| 1963 | 4.14576 |
| 1962 | 4.18379 |
| 1961 | 4.27124 |
| 1960 | 4.39216 |