| 年份 | 土库曼斯坦 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 2.667 |
| 2020 | 2.701 |
| 2019 | 2.74 |
| 2018 | 2.786 |
| 2017 | 2.836 |
| 2016 | 2.887 |
| 2015 | 2.93 |
| 2014 | 2.956 |
| 2013 | 2.958 |
| 2012 | 2.936 |
| 2011 | 2.892 |
| 2010 | 2.833 |
| 2009 | 2.769 |
| 2008 | 2.712 |
| 2007 | 2.676 |
| 2006 | 2.665 |
| 2005 | 2.658 |
| 2004 | 2.648 |
| 2003 | 2.665 |
| 2002 | 2.686 |
| 2001 | 2.791 |
| 2000 | 2.898 |
| 1999 | 2.995 |
| 1998 | 3.102 |
| 1997 | 3.213 |
| 1996 | 3.336 |
| 1995 | 3.507 |
| 1994 | 3.67 |
| 1993 | 3.837 |
| 1992 | 3.962 |
| 1991 | 4.106 |
| 1990 | 4.243 |
| 1989 | 4.447 |
| 1988 | 4.62 |
| 1987 | 4.8 |
| 1986 | 4.861 |
| 1985 | 4.885 |
| 1984 | 4.872 |
| 1983 | 4.926 |
| 1982 | 4.975 |
| 1981 | 5.11 |
| 1980 | 5.253 |
| 1979 | 5.403 |
| 1978 | 5.535 |
| 1977 | 5.683 |
| 1976 | 5.802 |
| 1975 | 5.904 |
| 1974 | 6.015 |
| 1973 | 6.109 |
| 1972 | 6.19 |
| 1971 | 6.323 |
| 1970 | 6.404 |
| 1969 | 6.482 |
| 1968 | 6.56 |
| 1967 | 6.635 |
| 1966 | 6.703 |
| 1965 | 6.756 |
| 1964 | 6.787 |
| 1963 | 6.788 |
| 1962 | 6.756 |
| 1961 | 6.689 |
| 1960 | 6.59 |