| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 5680.00 |
| 8 | 2011 | 4160.00 |
| 9 | 2010 | 3060.00 |
| 10 | 2008 | 640.00 |
| 11 | 2007 | 1350.00 |
| 12 | 2006 | 60.00 |
| 13 | 2000 | 25.00 |
| 14 | 1995 | 182.00 |
