| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | |
| 8 | 2013 | |
| 9 | 2012 | |
| 10 | 2011 | |
| 11 | 2010 | -57770.82 |
| 12 | 2009 | 27762.76 |
| 13 | 2008 | -23837.63 |
| 14 | 1989 | -14330.00 |
| 15 | 1988 | 2620.00 |
| 16 | 1987 | -16690.00 |
| 17 | 1986 | -53720.00 |
| 18 | 1985 | -24320.00 |
| 19 | 1984 | -45060.00 |
| 20 | 1983 | -13880.00 |
| 21 | 1982 | -6730.00 |
| 22 | 1981 | -20580.00 |
| 23 | 1980 | 5360.00 |
| 24 | 1979 | -9960.00 |
