| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | |
| 8 | 2015 | |
| 9 | 2014 | |
| 10 | 2013 | |
| 11 | 2012 | 450.86 |
| 12 | 2011 | -531.42 |
| 13 | 2010 | 76.02 |
| 14 | 2009 | 365.03 |
| 15 | 2008 | 386.32 |
| 16 | 2007 | 333.97 |
| 17 | 1994 | 660.35 |
| 18 | 1993 | 669.06 |
| 19 | 1992 | 1771.02 |
| 20 | 1991 | 1306.17 |
| 21 | 1990 | 835.87 |
| 22 | 1989 | 640.13 |
| 23 | 1988 | 458.63 |
| 24 | 1987 | 774.34 |
| 25 | 1986 | 378.95 |
| 26 | 1985 | 21.09 |
| 27 | 1984 | 13.16 |
