| 年份 | 土库曼斯坦 |
|---|---|
| 2023 | - |
| 2022 | 0.331408 |
| 2021 | 0.431721 |
| 2020 | 0.502345 |
| 2019 | 0.583123 |
| 2018 | 0.70207 |
| 2017 | 0.820369 |
| 2016 | 0.92491 |
| 2015 | 1.01338 |
| 2014 | 1.08062 |
| 2013 | 1.11805 |
| 2012 | 1.12293 |
| 2011 | 1.09646 |
| 2010 | 1.04816 |
| 2009 | 0.988451 |
| 2008 | 0.936227 |
| 2007 | 0.900857 |
| 2006 | 0.902668 |
| 2005 | 0.907457 |
| 2004 | 0.847449 |
| 2003 | 0.84886 |
| 2002 | 0.950011 |
| 2001 | 1.01835 |
| 2000 | 1.0873 |
| 1999 | 1.14592 |
| 1998 | 1.13292 |
| 1997 | 1.03805 |
| 1996 | 1.34003 |
| 1995 | 2.13045 |
| 1994 | 2.63641 |
| 1993 | 2.80141 |
| 1992 | 2.85604 |
| 1991 | 2.84645 |
| 1990 | 2.85132 |
| 1989 | 2.97894 |
| 1988 | 3.12366 |
| 1987 | 3.17498 |
| 1986 | 3.13533 |
| 1985 | 3.05204 |
| 1984 | 2.97286 |
| 1983 | 2.91572 |
| 1982 | 2.87477 |
| 1981 | 2.83154 |
| 1980 | 2.84063 |
| 1979 | 2.70341 |
| 1978 | 2.58547 |
| 1977 | 2.62572 |
| 1976 | 2.68347 |
| 1975 | 2.75134 |
| 1974 | 2.80444 |
| 1973 | 2.83724 |
| 1972 | 2.86871 |
| 1971 | 2.90776 |
| 1970 | 2.73802 |
| 1969 | 2.61246 |
| 1968 | 2.68047 |
| 1967 | 2.76477 |
| 1966 | 2.86273 |
| 1965 | 2.96374 |
| 1964 | 3.06147 |
| 1963 | 3.13369 |
| 1962 | 3.18294 |
| 1961 | 3.19599 |
| 1960 | - |