| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 18483.69 |
| 8 | 2015 | 18603.88 |
| 9 | 2014 | 22919.74 |
| 10 | 2013 | 17683.06 |
| 11 | 2012 | 14376.22 |
| 12 | 2011 | 14708.22 |
| 13 | 2010 | 12051.84 |
| 14 | 2009 | 10275.00 |
| 15 | 2008 | 11359.21 |
| 16 | 2007 | 8353.51 |
| 17 | 2006 | 7700.30 |
| 18 | 2005 | 5266.41 |
| 19 | 2004 | 5387.79 |
| 20 | 2003 | 4715.82 |
| 21 | 2002 | 4039.90 |
| 22 | 2001 | 3908.84 |
| 23 | 2000 | 3759.01 |
| 24 | 1999 | 3380.63 |
| 25 | 1998 | 2663.71 |
| 26 | 1997 | 3239.80 |
| 27 | 1990 | 2204.00 |
| 28 | 1989 | 2182.28 |
| 29 | 1988 | 2252.29 |
| 30 | 1987 | 2213.01 |
| 31 | 1986 | 3413.15 |
| 32 | 1985 | 2853.08 |
| 33 | 1984 | 3368.76 |
| 34 | 1983 | 2508.31 |
| 35 | 1982 | 3691.35 |
| 36 | 1981 | 2997.96 |
| 37 | 1980 | 2183.40 |
| 38 | 1979 | 2324.65 |
| 39 | 1978 | 2252.69 |
| 40 | 1977 | 1607.41 |
| 41 | 1976 | 1009.77 |
| 42 | 1975 | 1236.83 |
| 43 | 1974 | 1129.91 |
