| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 286985.18 |
| 8 | 2014 | 295186.00 |
| 9 | 2013 | 280666.66 |
| 10 | 2012 | 250379.39 |
| 11 | 2011 | 207277.99 |
| 12 | 2010 | 71421.00 |
| 13 | 2009 | 49315.00 |
| 14 | 2008 | 102282.00 |
| 15 | 2007 | 134283.00 |
| 16 | 2006 | 47199.00 |
| 17 | 2005 | 27516.00 |
| 18 | 2000 | 22472.00 |
| 19 | 1995 | 6383.00 |
| 20 | 1990 | 340.00 |
| 21 | 1985 | 43.00 |
