| 年份 | 蒙古 |
|---|---|
| 2023 | - |
| 2022 | 4.7563 |
| 2021 | 4.70845 |
| 2020 | 4.67357 |
| 2019 | 4.6397 |
| 2018 | 4.52098 |
| 2017 | 4.36745 |
| 2016 | 4.21016 |
| 2015 | 4.01574 |
| 2014 | 3.76781 |
| 2013 | 3.52359 |
| 2012 | 3.28576 |
| 2011 | 3.07001 |
| 2010 | 2.87753 |
| 2009 | 2.71743 |
| 2008 | 2.58779 |
| 2007 | 2.47847 |
| 2006 | 2.38442 |
| 2005 | 2.29719 |
| 2004 | 2.21962 |
| 2003 | 2.17371 |
| 2002 | 2.17217 |
| 2001 | 2.21088 |
| 2000 | 2.27212 |
| 1999 | 2.32213 |
| 1998 | 2.33671 |
| 1997 | 2.31988 |
| 1996 | 2.28144 |
| 1995 | 2.23462 |
| 1994 | 2.21227 |
| 1993 | 2.23571 |
| 1992 | 2.29474 |
| 1991 | 2.36602 |
| 1990 | 2.42292 |
| 1989 | 2.44332 |
| 1988 | 2.42122 |
| 1987 | 2.36584 |
| 1986 | 2.30289 |
| 1985 | 2.26648 |
| 1984 | 2.27172 |
| 1983 | 2.31833 |
| 1982 | 2.40621 |
| 1981 | 2.51588 |
| 1980 | 2.6236 |
| 1979 | 2.72252 |
| 1978 | 2.79765 |
| 1977 | 2.84668 |
| 1976 | 2.88924 |
| 1975 | 2.92952 |
| 1974 | 2.97176 |
| 1973 | 3.03492 |
| 1972 | 3.13032 |
| 1971 | 3.26632 |
| 1970 | 3.44731 |
| 1969 | 3.64923 |
| 1968 | 3.79758 |
| 1967 | 3.84664 |
| 1966 | 3.83631 |
| 1965 | 3.84635 |
| 1964 | 3.94821 |
| 1963 | 4.14098 |
| 1962 | 4.30071 |
| 1961 | 4.32276 |
| 1960 | 4.24901 |