| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2016 | |
| 3 | 2015 | |
| 4 | 2014 | |
| 5 | 2013 | |
| 6 | 2012 | |
| 7 | 2011 | 1950.00 |
| 8 | 2010 | 2472.00 |
| 9 | 2009 | 2017.00 |
| 10 | 2008 | 930.00 |
| 11 | 2007 | 975.00 |
| 12 | 2006 | 859.00 |
| 13 | 2005 | 212.00 |
| 14 | 1995 | 10.00 |
