| 年份 | 柬埔寨 |
|---|---|
| 2023 | - |
| 2022 | 4.05312 |
| 2021 | 4.0063 |
| 2020 | 3.93263 |
| 2019 | 3.822 |
| 2018 | 3.679 |
| 2017 | 3.51378 |
| 2016 | 3.33945 |
| 2015 | 3.171 |
| 2014 | 3.01399 |
| 2013 | 2.85878 |
| 2012 | 2.69913 |
| 2011 | 2.54797 |
| 2010 | 2.41083 |
| 2009 | 2.28587 |
| 2008 | 2.18813 |
| 2007 | 2.1294 |
| 2006 | 2.09162 |
| 2005 | 2.06071 |
| 2004 | 2.0366 |
| 2003 | 2.01277 |
| 2002 | 1.98795 |
| 2001 | 1.96558 |
| 2000 | 1.9428 |
| 1999 | 1.91933 |
| 1998 | 1.89722 |
| 1997 | 1.88385 |
| 1996 | 1.87997 |
| 1995 | 1.88001 |
| 1994 | 1.88422 |
| 1993 | 1.8971 |
| 1992 | 1.92069 |
| 1991 | 1.94295 |
| 1990 | 1.96008 |
| 1989 | 1.97829 |
| 1988 | 1.99519 |
| 1987 | 2.01318 |
| 1986 | 2.03393 |
| 1985 | 2.0531 |
| 1984 | 2.06814 |
| 1983 | 2.08526 |
| 1982 | 2.10417 |
| 1981 | 2.12174 |
| 1980 | 2.12376 |
| 1979 | 2.12008 |
| 1978 | 2.10595 |
| 1977 | 2.06544 |
| 1976 | 2.03505 |
| 1975 | 2.06202 |
| 1974 | 2.08724 |
| 1973 | 2.07329 |
| 1972 | 2.06501 |
| 1971 | 2.05444 |
| 1970 | 2.03073 |
| 1969 | 2.01043 |
| 1968 | 2.00282 |
| 1967 | 1.99583 |
| 1966 | 1.98808 |
| 1965 | 1.97972 |
| 1964 | 1.971 |
| 1963 | 1.96076 |
| 1962 | 1.95037 |
| 1961 | 1.94222 |
| 1960 | 1.93711 |