| 年份 | 蒙古 |
|---|---|
| 2023 | - |
| 2022 | 7.32732 |
| 2021 | 6.99716 |
| 2020 | 6.70513 |
| 2019 | 6.42948 |
| 2018 | 6.18682 |
| 2017 | 5.9891 |
| 2016 | 5.85335 |
| 2015 | 5.74073 |
| 2014 | 5.64645 |
| 2013 | 5.59968 |
| 2012 | 5.57545 |
| 2011 | 5.57918 |
| 2010 | 5.59065 |
| 2009 | 5.59722 |
| 2008 | 5.59602 |
| 2007 | 5.57982 |
| 2006 | 5.54357 |
| 2005 | 5.49101 |
| 2004 | 5.44988 |
| 2003 | 5.45241 |
| 2002 | 5.48737 |
| 2001 | 5.53169 |
| 2000 | 5.57974 |
| 1999 | 5.65993 |
| 1998 | 5.76543 |
| 1997 | 5.8631 |
| 1996 | 5.95742 |
| 1995 | 6.05597 |
| 1994 | 6.18655 |
| 1993 | 6.36561 |
| 1992 | 6.57499 |
| 1991 | 6.78797 |
| 1990 | 6.99693 |
| 1989 | 7.21027 |
| 1988 | 7.44089 |
| 1987 | 7.67729 |
| 1986 | 7.89645 |
| 1985 | 8.09984 |
| 1984 | 8.30013 |
| 1983 | 8.5278 |
| 1982 | 8.78418 |
| 1981 | 9.03544 |
| 1980 | 9.27311 |
| 1979 | 9.49715 |
| 1978 | 9.73991 |
| 1977 | 10.0075 |
| 1976 | 10.2496 |
| 1975 | 10.4632 |
| 1974 | 10.6675 |
| 1973 | 10.8793 |
| 1972 | 11.1056 |
| 1971 | 11.3471 |
| 1970 | 11.6095 |
| 1969 | 11.8744 |
| 1968 | 11.9533 |
| 1967 | 11.8372 |
| 1966 | 11.7021 |
| 1965 | 11.5747 |
| 1964 | 11.4988 |
| 1963 | 11.4977 |
| 1962 | 11.0383 |
| 1961 | 10.1153 |
| 1960 | 9.24441 |