| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 19836.65 |
| 8 | 2015 | 23159.98 |
| 9 | 2014 | 28379.81 |
| 10 | 2013 | 14757.25 |
| 11 | 2012 | 7543.93 |
| 12 | 2011 | 6936.89 |
| 13 | 2010 | 11915.26 |
| 14 | 2009 | 10032.46 |
| 15 | 2008 | 13150.45 |
| 16 | 2007 | 8474.54 |
| 17 | 2006 | 9063.68 |
| 18 | 2005 | 8757.57 |
| 19 | 2004 | 9357.75 |
| 20 | 2003 | 6346.64 |
| 21 | 2002 | 5079.48 |
| 22 | 2001 | 5676.42 |
| 23 | 2000 | 3761.57 |
| 24 | 1999 | 3411.52 |
| 25 | 1998 | 3531.98 |
| 26 | 1997 | 3917.11 |
| 27 | 1996 | 4358.69 |
| 28 | 1995 | 3328.27 |
| 29 | 1994 | 3038.88 |
| 30 | 1993 | 3645.96 |
| 31 | 1992 | 5769.73 |
| 32 | 1991 | 4955.21 |
| 33 | 1990 | 4444.94 |
| 34 | 1989 | 3169.82 |
| 35 | 1988 | 4070.87 |
| 36 | 1987 | 5411.32 |
| 37 | 1986 | 4653.98 |
| 38 | 1985 | 3856.09 |
| 39 | 1984 | 3135.55 |
| 40 | 1983 | 4033.42 |
| 41 | 1982 | 4180.38 |
| 42 | 1981 | 3983.71 |
| 43 | 1980 | 4055.76 |
| 44 | 1979 | 3568.51 |
| 45 | 1978 | 3151.70 |
| 46 | 1977 | 2602.58 |
| 47 | 1976 | 2337.30 |
| 48 | 1975 | 2390.43 |
| 49 | 1974 | 1786.01 |
