| 年份 | 泰国 |
|---|---|
| 2023 | - |
| 2022 | 4.13657 |
| 2021 | 3.95651 |
| 2020 | 3.75245 |
| 2019 | 3.52931 |
| 2018 | 3.32363 |
| 2017 | 3.1355 |
| 2016 | 2.94988 |
| 2015 | 2.76143 |
| 2014 | 2.57432 |
| 2013 | 2.39389 |
| 2012 | 2.22329 |
| 2011 | 2.06412 |
| 2010 | 1.91358 |
| 2009 | 1.78175 |
| 2008 | 1.66789 |
| 2007 | 1.5586 |
| 2006 | 1.46045 |
| 2005 | 1.3816 |
| 2004 | 1.3175 |
| 2003 | 1.25992 |
| 2002 | 1.20351 |
| 2001 | 1.1419 |
| 2000 | 1.08431 |
| 1999 | 1.05894 |
| 1998 | 1.05751 |
| 1997 | 1.05523 |
| 1996 | 1.0528 |
| 1995 | 1.05074 |
| 1994 | 1.04829 |
| 1993 | 1.04478 |
| 1992 | 1.03954 |
| 1991 | 1.03003 |
| 1990 | 1.01522 |
| 1989 | 0.987542 |
| 1988 | 0.948755 |
| 1987 | 0.909773 |
| 1986 | 0.873144 |
| 1985 | 0.841007 |
| 1984 | 0.812794 |
| 1983 | 0.788669 |
| 1982 | 0.767136 |
| 1981 | 0.745131 |
| 1980 | 0.722309 |
| 1979 | 0.699974 |
| 1978 | 0.67803 |
| 1977 | 0.656679 |
| 1976 | 0.637328 |
| 1975 | 0.621879 |
| 1974 | 0.611684 |
| 1973 | 0.607018 |
| 1972 | 0.607065 |
| 1971 | 0.607658 |
| 1970 | 0.60712 |
| 1969 | 0.60639 |
| 1968 | 0.604733 |
| 1967 | 0.600717 |
| 1966 | 0.593838 |
| 1965 | 0.584985 |
| 1964 | 0.574211 |
| 1963 | 0.560563 |
| 1962 | 0.544201 |
| 1961 | 0.527498 |
| 1960 | 0.51504 |