| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 5931.17 |
| 8 | 2015 | 7494.05 |
| 9 | 2014 | 8831.72 |
| 10 | 2013 | 2543.50 |
| 11 | 2012 | 11223.44 |
| 12 | 2011 | 8112.68 |
| 13 | 2010 | 25753.90 |
| 14 | 2009 | 21051.94 |
| 15 | 2008 | 25509.98 |
| 16 | 2007 | 49305.48 |
| 17 | 2006 | 27727.35 |
| 18 | 2005 | 20332.55 |
| 19 | 2004 | 18994.00 |
| 20 | 2003 | 20479.81 |
| 21 | 2002 | 9321.54 |
| 22 | 2001 | 11388.67 |
| 23 | 2000 | 27318.20 |
| 24 | 1999 | 5302.76 |
| 25 | 1998 | 9142.73 |
| 26 | 1997 | 9182.63 |
| 27 | 1996 | 10068.76 |
| 28 | 1995 | 15159.47 |
| 29 | 1994 | 11283.07 |
| 30 | 1993 | 9279.80 |
| 31 | 1992 | 9838.66 |
| 32 | 1991 | 9133.33 |
| 33 | 1990 | 10760.17 |
| 34 | 1989 | 9204.33 |
| 35 | 1988 | 6540.67 |
| 36 | 1987 | 5412.49 |
| 37 | 1986 | 3047.66 |
| 38 | 1985 | 2777.44 |
| 39 | 1984 | 4365.28 |
| 40 | 1983 | 4119.92 |
| 41 | 1982 | 3287.85 |
| 42 | 1981 | 4136.38 |
| 43 | 1980 | 3607.96 |
| 44 | 1979 | 3135.31 |
| 45 | 1978 | 2012.50 |
| 46 | 1977 | 2921.00 |
| 47 | 1976 | 2576.00 |
| 48 | 1975 | 2501.66 |
| 49 | 1974 | 2295.88 |
