| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 32537.09 |
| 12 | 2012 | 30842.97 |
| 13 | 2011 | 31867.26 |
| 14 | 2010 | 27998.96 |
| 15 | 2009 | 20786.11 |
| 16 | 2008 | 24899.41 |
| 17 | 2007 | 22709.55 |
| 18 | 2006 | 21885.53 |
| 19 | 2005 | 18716.44 |
| 20 | 2004 | 15537.73 |
| 21 | 1999 | 11565.96 |
| 22 | 1998 | 9691.33 |
| 23 | 1997 | 10011.44 |
| 24 | 1996 | 9075.72 |
| 25 | 1995 | 8029.02 |
| 26 | 1994 | 6881.16 |
| 27 | 1993 | 8741.33 |
| 28 | 1992 | 8989.55 |
| 29 | 1991 | 7758.30 |
| 30 | 1990 | 7016.47 |
| 31 | 1989 | 6698.99 |
| 32 | 1988 | 6656.78 |
| 33 | 1987 | 5578.89 |
| 34 | 1986 | 4284.45 |
| 35 | 1985 | 4660.01 |
| 36 | 1984 | 4555.11 |
| 37 | 1983 | 4411.51 |
| 38 | 1982 | 4531.48 |
| 39 | 1981 | 5137.88 |
| 40 | 1980 | 5685.81 |
| 41 | 1979 | 6715.42 |
| 42 | 1978 | 4765.51 |
| 43 | 1977 | 3733.73 |
