| 年份 | 土库曼斯坦 |
|---|---|
| 2023 | - |
| 2022 | 2.32384 |
| 2021 | 2.3656 |
| 2020 | 2.37829 |
| 2019 | 2.40549 |
| 2018 | 2.46344 |
| 2017 | 2.52096 |
| 2016 | 2.56913 |
| 2015 | 2.5974 |
| 2014 | 2.60064 |
| 2013 | 2.58231 |
| 2012 | 2.5235 |
| 2011 | 2.43346 |
| 2010 | 2.32553 |
| 2009 | 2.20637 |
| 2008 | 2.08662 |
| 2007 | 1.99574 |
| 2006 | 1.92992 |
| 2005 | 1.8711 |
| 2004 | 1.75136 |
| 2003 | 1.75334 |
| 2002 | 1.85517 |
| 2001 | 1.91998 |
| 2000 | 1.9897 |
| 1999 | 2.04901 |
| 1998 | 2.03669 |
| 1997 | 1.93862 |
| 1996 | 2.24538 |
| 1995 | 2.37313 |
| 1994 | 2.29265 |
| 1993 | 2.45778 |
| 1992 | 2.50849 |
| 1991 | 2.50312 |
| 1990 | 2.50806 |
| 1989 | 2.34516 |
| 1988 | 2.23625 |
| 1987 | 2.28825 |
| 1986 | 2.25324 |
| 1985 | 2.16661 |
| 1984 | 2.08401 |
| 1983 | 2.03152 |
| 1982 | 1.98702 |
| 1981 | 1.94833 |
| 1980 | 1.95382 |
| 1979 | 2.20199 |
| 1978 | 2.40491 |
| 1977 | 2.44932 |
| 1976 | 2.50699 |
| 1975 | 2.57095 |
| 1974 | 2.62801 |
| 1973 | 2.65687 |
| 1972 | 2.69229 |
| 1971 | 2.72751 |
| 1970 | 2.97446 |
| 1969 | 3.19774 |
| 1968 | 3.2619 |
| 1967 | 3.3505 |
| 1966 | 3.44441 |
| 1965 | 3.54991 |
| 1964 | 3.64357 |
| 1963 | 3.7201 |
| 1962 | 3.76565 |
| 1961 | 3.77897 |
| 1960 | - |