| 年份 | 缅甸 |
|---|---|
| 2023 | - |
| 2022 | 4.71359 |
| 2021 | 4.62717 |
| 2020 | 4.54054 |
| 2019 | 4.4532 |
| 2018 | 4.37035 |
| 2017 | 4.29259 |
| 2016 | 4.21836 |
| 2015 | 4.1436 |
| 2014 | 4.0657 |
| 2013 | 3.98293 |
| 2012 | 3.89314 |
| 2011 | 3.79696 |
| 2010 | 3.69639 |
| 2009 | 3.59372 |
| 2008 | 3.45895 |
| 2007 | 3.30178 |
| 2006 | 3.1617 |
| 2005 | 3.03417 |
| 2004 | 2.91409 |
| 2003 | 2.8386 |
| 2002 | 2.8035 |
| 2001 | 2.76725 |
| 2000 | 2.73706 |
| 1999 | 2.72024 |
| 1998 | 2.71933 |
| 1997 | 2.73312 |
| 1996 | 2.75777 |
| 1995 | 2.78878 |
| 1994 | 2.82413 |
| 1993 | 2.86312 |
| 1992 | 2.90172 |
| 1991 | 2.93454 |
| 1990 | 2.95936 |
| 1989 | 2.9751 |
| 1988 | 2.9793 |
| 1987 | 2.97398 |
| 1986 | 2.96605 |
| 1985 | 2.95916 |
| 1984 | 2.95163 |
| 1983 | 2.94025 |
| 1982 | 2.92562 |
| 1981 | 2.91439 |
| 1980 | 2.9123 |
| 1979 | 2.9199 |
| 1978 | 2.93949 |
| 1977 | 2.96629 |
| 1976 | 2.98528 |
| 1975 | 2.98786 |
| 1974 | 2.97613 |
| 1973 | 2.94951 |
| 1972 | 2.91254 |
| 1971 | 2.87985 |
| 1970 | 2.86036 |
| 1969 | 2.85197 |
| 1968 | 2.85353 |
| 1967 | 2.86569 |
| 1966 | 2.88141 |
| 1965 | 2.89637 |
| 1964 | 2.91268 |
| 1963 | 2.93196 |
| 1962 | 2.95029 |
| 1961 | 2.96223 |
| 1960 | 2.96445 |