| 年份 | 缅甸 |
|---|---|
| 2023 | - |
| 2022 | 3.6855 |
| 2021 | 3.62034 |
| 2020 | 3.5579 |
| 2019 | 3.48669 |
| 2018 | 3.40813 |
| 2017 | 3.32405 |
| 2016 | 3.236 |
| 2015 | 3.14471 |
| 2014 | 3.0522 |
| 2013 | 2.93445 |
| 2012 | 2.79798 |
| 2011 | 2.67501 |
| 2010 | 2.56141 |
| 2009 | 2.45239 |
| 2008 | 2.38086 |
| 2007 | 2.34375 |
| 2006 | 2.30528 |
| 2005 | 2.27267 |
| 2004 | 2.25219 |
| 2003 | 2.24566 |
| 2002 | 2.25187 |
| 2001 | 2.26703 |
| 2000 | 2.2869 |
| 1999 | 2.30996 |
| 1998 | 2.33595 |
| 1997 | 2.36191 |
| 1996 | 2.3834 |
| 1995 | 2.39777 |
| 1994 | 2.40444 |
| 1993 | 2.40171 |
| 1992 | 2.39051 |
| 1991 | 2.37586 |
| 1990 | 2.36146 |
| 1989 | 2.34587 |
| 1988 | 2.3265 |
| 1987 | 2.30652 |
| 1986 | 2.29185 |
| 1985 | 2.28585 |
| 1984 | 2.28905 |
| 1983 | 2.30308 |
| 1982 | 2.32141 |
| 1981 | 2.33221 |
| 1980 | 2.33133 |
| 1979 | 2.31988 |
| 1978 | 2.2964 |
| 1977 | 2.26353 |
| 1976 | 2.23208 |
| 1975 | 2.20984 |
| 1974 | 2.19619 |
| 1973 | 2.19068 |
| 1972 | 2.19466 |
| 1971 | 2.20239 |
| 1970 | 2.20979 |
| 1969 | 2.21869 |
| 1968 | 2.23006 |
| 1967 | 2.24089 |
| 1966 | 2.24712 |
| 1965 | 2.24654 |
| 1964 | 2.23852 |
| 1963 | 2.22124 |
| 1962 | 2.197 |
| 1961 | 2.17323 |
| 1960 | 2.15476 |