| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | 2.48万 |
| 2021 | 2.41万 |
| 2020 | 2.34万 |
| 2019 | 2.28万 |
| 2018 | 2.24万 |
| 2017 | 2.2万 |
| 2016 | 2.16万 |
| 2015 | 2.08万 |
| 2014 | 2.02万 |
| 2013 | 1.96万 |
| 2012 | 1.9万 |
| 2011 | 1.84万 |
| 2010 | 1.78万 |
| 2009 | 1.73万 |
| 2008 | 1.68万 |
| 2007 | 1.63万 |
| 2006 | 1.58万 |
| 2005 | 1.53万 |
| 2004 | 1.46万 |
| 2003 | 1.37万 |
| 2002 | 1.29万 |
| 2001 | 1.21万 |
| 2000 | 1.13万 |
| 1999 | 1.05万 |
| 1998 | 9855 |
| 1997 | 9437 |
| 1996 | 9050 |
| 1995 | 8675 |
| 1994 | 8378 |
| 1993 | 8187 |
| 1992 | 8386 |
| 1991 | 8541 |
| 1990 | 8238 |
| 1989 | 7882 |
| 1988 | 7541 |
| 1987 | 7216 |
| 1986 | 6905 |
| 1985 | 6611 |
| 1984 | 6334 |
| 1983 | 6066 |
| 1982 | 5810 |
| 1981 | 5570 |
| 1980 | 5340 |
| 1979 | 5119 |
| 1978 | 4911 |
| 1977 | 4715 |
| 1976 | 4530 |
| 1975 | 4354 |
| 1974 | 4188 |
| 1973 | 4030 |
| 1972 | 3885 |
| 1971 | 3748 |
| 1970 | 3615 |
| 1969 | 3488 |
| 1968 | 3371 |
| 1967 | 3262 |
| 1966 | 3162 |
| 1965 | 3069 |
| 1964 | 2983 |
| 1963 | 2904 |
| 1962 | 2830 |
| 1961 | 2761 |
| 1960 | 2699 |