| 年份 | 缅甸 |
|---|---|
| 2023 | - |
| 2022 | 3.04695 |
| 2021 | 3.39115 |
| 2020 | 2.99048 |
| 2019 | 2.18974 |
| 2018 | 2.35979 |
| 2017 | 3.64195 |
| 2016 | 4.0893 |
| 2015 | 4.30136 |
| 2014 | 3.78953 |
| 2013 | 3.99964 |
| 2012 | 3.85435 |
| 2011 | - |
| 2010 | - |
| 2009 | - |
| 2008 | - |
| 2007 | - |
| 2006 | - |
| 2005 | 1.3546 |
| 2004 | 1.65723 |
| 2003 | 1.67046 |
| 2002 | 1.12751 |
| 2001 | 1.56256 |
| 2000 | 2.0012 |
| 1999 | 1.73138 |
| 1998 | 2.0089 |
| 1997 | 2.31372 |
| 1996 | 3.49343 |
| 1995 | 3.68483 |
| 1994 | 3.54112 |
| 1993 | 3.52311 |
| 1992 | 3.35452 |
| 1991 | 3.171 |
| 1990 | 3.39589 |
| 1989 | 2.95911 |
| 1988 | 2.14085 |
| 1987 | 1.9724 |
| 1986 | 2.87914 |
| 1985 | 2.97826 |
| 1984 | 2.92367 |
| 1983 | 3.07037 |
| 1982 | 3.21826 |
| 1981 | 3.45682 |
| 1980 | 3.42213 |
| 1979 | 3.55758 |
| 1978 | 3.92138 |
| 1977 | 4.03977 |
| 1976 | 3.79371 |
| 1975 | 3.77497 |
| 1974 | 4.02109 |
| 1973 | 5.11395 |
| 1972 | 5.45164 |
| 1971 | 5.65123 |
| 1970 | 5.60194 |
| 1969 | 5.31043 |
| 1968 | 5.0232 |
| 1967 | 5.2018 |
| 1966 | 6.12558 |
| 1965 | 6.69562 |
| 1964 | 6.02235 |
| 1963 | 6.84714 |
| 1962 | 5.69071 |
| 1961 | 6.12346 |
| 1960 | - |