| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 366.22 |
| 8 | 2015 | 639.56 |
| 9 | 2014 | 576.75 |
| 10 | 2013 | 599.89 |
| 11 | 2012 | 895.18 |
| 12 | 2011 | 1450.11 |
| 13 | 2010 | 2308.36 |
| 14 | 2009 | 2253.06 |
| 15 | 2008 | 6.05 |
| 16 | 2007 | 641.70 |
| 17 | 2006 | 201.64 |
| 18 | 2005 | 1325.31 |
| 19 | 2004 | 64.37 |
| 20 | 2003 | 130.53 |
| 21 | 2002 | 240.89 |
| 22 | 2001 | 282.27 |
| 23 | 2000 | 350.17 |
| 24 | 1999 | 339.06 |
| 25 | 1998 | 258.18 |
| 26 | 1997 | 1233.47 |
| 27 | 1996 | 1246.44 |
| 28 | 1995 | 1488.19 |
| 29 | 1994 | 1716.85 |
| 30 | 1993 | 1114.41 |
| 31 | 1992 | 1181.62 |
| 32 | 1991 | 688.08 |
| 33 | 1990 | 564.29 |
| 34 | 1989 | 632.94 |
| 35 | 1988 | 316.70 |
| 36 | 1987 | 289.78 |
