| 年份 | 蒙古 |
|---|---|
| 2023 | - |
| 2022 | 3.79211 |
| 2021 | 3.64471 |
| 2020 | 3.45921 |
| 2019 | 3.21397 |
| 2018 | 2.99653 |
| 2017 | 2.79733 |
| 2016 | 2.60338 |
| 2015 | 2.4451 |
| 2014 | 2.32633 |
| 2013 | 2.21341 |
| 2012 | 2.12103 |
| 2011 | 2.03875 |
| 2010 | 1.97173 |
| 2009 | 1.91962 |
| 2008 | 1.88708 |
| 2007 | 1.88401 |
| 2006 | 1.91039 |
| 2005 | 1.95198 |
| 2004 | 1.98438 |
| 2003 | 1.98757 |
| 2002 | 1.96215 |
| 2001 | 1.91523 |
| 2000 | 1.85381 |
| 1999 | 1.82019 |
| 1998 | 1.84212 |
| 1997 | 1.89198 |
| 1996 | 1.94412 |
| 1995 | 1.98336 |
| 1994 | 1.98979 |
| 1993 | 1.95553 |
| 1992 | 1.8964 |
| 1991 | 1.83738 |
| 1990 | 1.80297 |
| 1989 | 1.8045 |
| 1988 | 1.84028 |
| 1987 | 1.90976 |
| 1986 | 1.99767 |
| 1985 | 2.0834 |
| 1984 | 2.162 |
| 1983 | 2.22414 |
| 1982 | 2.26414 |
| 1981 | 2.30069 |
| 1980 | 2.34919 |
| 1979 | 2.41604 |
| 1978 | 2.49717 |
| 1977 | 2.58386 |
| 1976 | 2.68032 |
| 1975 | 2.7907 |
| 1974 | 2.90847 |
| 1973 | 3.02232 |
| 1972 | 3.12637 |
| 1971 | 3.20737 |
| 1970 | 3.25615 |
| 1969 | 3.28057 |
| 1968 | 3.2842 |
| 1967 | 3.31422 |
| 1966 | 3.40664 |
| 1965 | 3.50888 |
| 1964 | 3.56434 |
| 1963 | 3.55894 |
| 1962 | 3.51135 |
| 1961 | 3.47625 |
| 1960 | 3.48432 |