| 年份 | 缅甸 |
|---|---|
| 2023 | - |
| 2022 | 4.19623 |
| 2021 | 4.12895 |
| 2020 | 4.06248 |
| 2019 | 3.98802 |
| 2018 | 3.90612 |
| 2017 | 3.81849 |
| 2016 | 3.72739 |
| 2015 | 3.63334 |
| 2014 | 3.53842 |
| 2013 | 3.41791 |
| 2012 | 3.26665 |
| 2011 | 3.11525 |
| 2010 | 2.96991 |
| 2009 | 2.82702 |
| 2008 | 2.72175 |
| 2007 | 2.6631 |
| 2006 | 2.6165 |
| 2005 | 2.57957 |
| 2004 | 2.55733 |
| 2003 | 2.55161 |
| 2002 | 2.5606 |
| 2001 | 2.57835 |
| 2000 | 2.59924 |
| 1999 | 2.62206 |
| 1998 | 2.64535 |
| 1997 | 2.66712 |
| 1996 | 2.68742 |
| 1995 | 2.70553 |
| 1994 | 2.71958 |
| 1993 | 2.72821 |
| 1992 | 2.73095 |
| 1991 | 2.72584 |
| 1990 | 2.71306 |
| 1989 | 2.69268 |
| 1988 | 2.66118 |
| 1987 | 2.62361 |
| 1986 | 2.59281 |
| 1985 | 2.57664 |
| 1984 | 2.57442 |
| 1983 | 2.58754 |
| 1982 | 2.60836 |
| 1981 | 2.62108 |
| 1980 | 2.61996 |
| 1979 | 2.60647 |
| 1978 | 2.57984 |
| 1977 | 2.54252 |
| 1976 | 2.50688 |
| 1975 | 2.48263 |
| 1974 | 2.46858 |
| 1973 | 2.46331 |
| 1972 | 2.46927 |
| 1971 | 2.47966 |
| 1970 | 2.48897 |
| 1969 | 2.49923 |
| 1968 | 2.51117 |
| 1967 | 2.52206 |
| 1966 | 2.52838 |
| 1965 | 2.5278 |
| 1964 | 2.5199 |
| 1963 | 2.50356 |
| 1962 | 2.48089 |
| 1961 | 2.45877 |
| 1960 | 2.44169 |