| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 38855.00 |
| 8 | 2014 | 40486.00 |
| 9 | 2013 | 18429.00 |
| 10 | 2012 | 26332.00 |
| 11 | 2011 | 42252.12 |
| 12 | 2010 | 45091.20 |
| 13 | 2009 | 33331.00 |
| 14 | 2008 | 69892.00 |
| 15 | 2007 | 57188.00 |
| 16 | 2006 | 85239.10 |
| 17 | 2005 | 78853.00 |
| 18 | 2000 | 40716.00 |
| 19 | 1995 | 7662.00 |
| 20 | 1990 | 3006.00 |
| 21 | 1985 | 55.00 |