| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 9622.76 |
| 8 | 2015 | 10707.40 |
| 9 | 2014 | 14499.44 |
| 10 | 2013 | 13009.83 |
| 11 | 2012 | 14889.57 |
| 12 | 2011 | 13542.33 |
| 13 | 2010 | 13064.48 |
| 14 | 2009 | 10419.48 |
| 15 | 2008 | 11757.81 |
| 16 | 2007 | 12794.59 |
| 17 | 2006 | 9207.99 |
| 18 | 2005 | 8221.05 |
| 19 | 2004 | 7155.86 |
| 20 | 2003 | 6994.16 |
| 21 | 1997 | 10651.98 |
| 22 | 1996 | 9989.41 |
| 23 | 1995 | 5334.30 |
| 24 | 1994 | 8963.27 |
| 25 | 1993 | 7723.48 |
| 26 | 1992 | 8304.00 |
| 27 | 1991 | 7322.68 |
| 28 | 1990 | 5932.10 |
| 29 | 1989 | 6096.06 |
| 30 | 1988 | 6258.55 |
| 31 | 1987 | 5098.38 |
| 32 | 1986 | 2066.29 |
| 33 | 1985 | 2576.10 |
| 34 | 1984 | 2270.61 |
| 35 | 1983 | 2557.82 |
| 36 | 1982 | 2314.47 |
| 37 | 1981 | 1776.23 |
| 38 | 1980 | 1871.02 |
| 39 | 1979 | 2382.42 |
| 40 | 1978 | 1394.23 |