| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 250.16 |
| 8 | 2015 | 60.05 |
| 9 | 2014 | 167.78 |
| 10 | 2013 | 22.23 |
| 11 | 2012 | 15.13 |
| 12 | 2011 | 11.36 |
| 13 | 2010 | 11.30 |
| 14 | 2009 | 7.54 |
| 15 | 2008 | 7.94 |
| 16 | 2007 | 121.59 |
| 17 | 2006 | 7.23 |
| 18 | 2005 | 7.32 |
| 19 | 2004 | 7.16 |
| 20 | 2003 | 6.56 |
| 21 | 2002 | 5.75 |
| 22 | 2001 | 1581.17 |
| 23 | 2000 | 1096.44 |
| 24 | 1999 | 748.98 |
| 25 | 1998 | 622.00 |
| 26 | 1995 | 612.86 |
| 27 | 1994 | 575.89 |
| 28 | 1993 | 494.39 |
| 29 | 1992 | 681.30 |
| 30 | 1991 | 696.74 |
| 31 | 1990 | 688.82 |
| 32 | 1989 | 647.65 |
| 33 | 1988 | 702.10 |
| 34 | 1987 | 671.30 |
| 35 | 1986 | 688.19 |
| 36 | 1985 | 689.14 |
| 37 | 1984 | 685.51 |
| 38 | 1983 | 563.56 |
| 39 | 1982 | 831.54 |
