| 年份 | 泰国 |
|---|---|
| 2023 | - |
| 2022 | 15.2123 |
| 2021 | 14.5116 |
| 2020 | 13.8504 |
| 2019 | 13.2083 |
| 2018 | 12.6028 |
| 2017 | 12.0306 |
| 2016 | 11.4872 |
| 2015 | 10.9638 |
| 2014 | 10.4622 |
| 2013 | 9.99178 |
| 2012 | 9.56218 |
| 2011 | 9.18257 |
| 2010 | 8.84571 |
| 2009 | 8.5611 |
| 2008 | 8.32323 |
| 2007 | 8.09718 |
| 2006 | 7.84628 |
| 2005 | 7.54373 |
| 2004 | 7.21578 |
| 2003 | 6.91157 |
| 2002 | 6.63665 |
| 2001 | 6.36963 |
| 2000 | 6.1006 |
| 1999 | 5.83291 |
| 1998 | 5.57709 |
| 1997 | 5.34856 |
| 1996 | 5.15843 |
| 1995 | 4.99232 |
| 1994 | 4.83083 |
| 1993 | 4.67124 |
| 1992 | 4.51906 |
| 1991 | 4.3791 |
| 1990 | 4.25409 |
| 1989 | 4.12889 |
| 1988 | 4.00241 |
| 1987 | 3.88743 |
| 1986 | 3.78311 |
| 1985 | 3.69119 |
| 1984 | 3.61141 |
| 1983 | 3.54441 |
| 1982 | 3.48661 |
| 1981 | 3.4338 |
| 1980 | 3.38568 |
| 1979 | 3.34128 |
| 1978 | 3.29816 |
| 1977 | 3.25517 |
| 1976 | 3.21042 |
| 1975 | 3.16671 |
| 1974 | 3.12784 |
| 1973 | 3.09246 |
| 1972 | 3.06125 |
| 1971 | 3.03322 |
| 1970 | 3.01018 |
| 1969 | 2.99396 |
| 1968 | 2.98309 |
| 1967 | 2.97504 |
| 1966 | 2.96547 |
| 1965 | 2.9539 |
| 1964 | 2.94192 |
| 1963 | 2.92918 |
| 1962 | 2.91483 |
| 1961 | 2.90155 |
| 1960 | 2.89824 |