| 年份 | 蒙古 |
|---|---|
| 2023 | - |
| 2022 | 9.47866 |
| 2021 | 9.01587 |
| 2020 | 8.50715 |
| 2019 | 7.99746 |
| 2018 | 7.54657 |
| 2017 | 7.25765 |
| 2016 | 7.20457 |
| 2015 | 7.35454 |
| 2014 | 7.61784 |
| 2013 | 7.92339 |
| 2012 | 8.2333 |
| 2011 | 8.53778 |
| 2010 | 8.81649 |
| 2009 | 9.07172 |
| 2008 | 9.35584 |
| 2007 | 9.702 |
| 2006 | 10.1424 |
| 2005 | 10.7053 |
| 2004 | 11.3521 |
| 2003 | 11.9939 |
| 2002 | 12.5439 |
| 2001 | 12.916 |
| 2000 | 13.0673 |
| 1999 | 13.0164 |
| 1998 | 12.8235 |
| 1997 | 12.5631 |
| 1996 | 12.2917 |
| 1995 | 12.062 |
| 1994 | 11.9132 |
| 1993 | 11.8581 |
| 1992 | 11.8837 |
| 1991 | 11.964 |
| 1990 | 12.0729 |
| 1989 | 12.1944 |
| 1988 | 12.3219 |
| 1987 | 12.4376 |
| 1986 | 12.5177 |
| 1985 | 12.554 |
| 1984 | 12.5527 |
| 1983 | 12.532 |
| 1982 | 12.5284 |
| 1981 | 12.5691 |
| 1980 | 12.6434 |
| 1979 | 12.7597 |
| 1978 | 12.9694 |
| 1977 | 13.2214 |
| 1976 | 13.4053 |
| 1975 | 13.4886 |
| 1974 | 13.4334 |
| 1973 | 13.217 |
| 1972 | 12.89 |
| 1971 | 12.4916 |
| 1970 | 12.0478 |
| 1969 | 11.6044 |
| 1968 | 11.1657 |
| 1967 | 10.6936 |
| 1966 | 10.1833 |
| 1965 | 9.66107 |
| 1964 | 9.1635 |
| 1963 | 8.76261 |
| 1962 | 8.54633 |
| 1961 | 8.4667 |
| 1960 | 8.41487 |