| 年份 | 蒙古 |
|---|---|
| 2023 | - |
| 2022 | 1.49967 |
| 2021 | 1.60937 |
| 2020 | 1.89701 |
| 2019 | 2.14 |
| 2018 | 2.17136 |
| 2017 | 2.17049 |
| 2016 | 2.16234 |
| 2015 | 2.11087 |
| 2014 | 2.00669 |
| 2013 | 1.87337 |
| 2012 | 1.74891 |
| 2011 | 1.52094 |
| 2010 | 1.3338 |
| 2009 | 1.23859 |
| 2008 | 1.07812 |
| 2007 | 0.94088 |
| 2006 | 0.855448 |
| 2005 | 0.835993 |
| 2004 | 0.850551 |
| 2003 | 0.871556 |
| 2002 | 0.886458 |
| 2001 | 0.87831 |
| 2000 | 0.92187 |
| 1999 | 0.96574 |
| 1998 | 0.976711 |
| 1997 | 1.04407 |
| 1996 | 1.1392 |
| 1995 | 1.24462 |
| 1994 | 1.36486 |
| 1993 | 1.50074 |
| 1992 | 1.64171 |
| 1991 | 1.77209 |
| 1990 | 1.89663 |
| 1989 | 2.24365 |
| 1988 | 2.55279 |
| 1987 | 2.58519 |
| 1986 | 2.5797 |
| 1985 | 2.53704 |
| 1984 | 2.4818 |
| 1983 | 2.43811 |
| 1982 | 2.41851 |
| 1981 | 2.41158 |
| 1980 | 2.40424 |
| 1979 | 2.54068 |
| 1978 | 2.71954 |
| 1977 | 2.8008 |
| 1976 | 2.87889 |
| 1975 | 2.90656 |
| 1974 | 2.86942 |
| 1973 | 2.78196 |
| 1972 | 2.67915 |
| 1971 | 2.58637 |
| 1970 | 2.50372 |
| 1969 | 2.5264 |
| 1968 | 2.65263 |
| 1967 | 2.74567 |
| 1966 | 2.75465 |
| 1965 | 2.68594 |
| 1964 | 2.5809 |
| 1963 | 2.88281 |
| 1962 | 3.28819 |
| 1961 | 3.37812 |
| 1960 | - |