| 年份 | 缅甸 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.062797 |
| 2020 | 0.0259007 |
| 2019 | 0.101385 |
| 2018 | 0.156814 |
| 2017 | 0.152348 |
| 2016 | 0.103531 |
| 2015 | 0.146604 |
| 2014 | 0.528936 |
| 2013 | 0.661095 |
| 2012 | 0.771527 |
| 2011 | 1.00644 |
| 2010 | 0.976336 |
| 2009 | 0.716108 |
| 2008 | 2.15335 |
| 2007 | 2.31016 |
| 2006 | 3.19886 |
| 2005 | 2.91495 |
| 2004 | 1.74505 |
| 2003 | 1.36774 |
| 2002 | 1.34949 |
| 2001 | 0.978658 |
| 2000 | 1.32848 |
| 1999 | 0.622091 |
| 1998 | 0.483603 |
| 1997 | 0.688794 |
| 1996 | 0.714927 |
| 1995 | 0.780036 |
| 1994 | 1.31082 |
| 1993 | 2.09266 |
| 1992 | 2.88692 |
| 1991 | 2.87458 |
| 1990 | 4.86298 |
| 1989 | 4.25172 |
| 1988 | 3.89352 |
| 1987 | 6.71502 |
| 1986 | 5.05389 |
| 1985 | 15.8308 |
| 1984 | 16.6482 |
| 1983 | 14.9069 |
| 1982 | 13.9672 |
| 1981 | 22.9954 |
| 1980 | 32.8353 |
| 1979 | 31.9273 |
| 1978 | 11.8295 |
| 1977 | 10.507 |
| 1976 | 7.82547 |
| 1975 | 6.97293 |
| 1974 | 6.95348 |
| 1973 | 1.39977 |
| 1972 | 0.44092 |
| 1971 | 0.140996 |
| 1970 | 0.112323 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |