| 序号 | 时间 (年) |
数据 (百万美元) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 212.32 |
| 8 | 2012 | 174.59 |
| 9 | 2011 | 153.90 |
| 10 | 2010 | 159.28 |
| 11 | 2009 | 142.97 |
| 12 | 2008 | 47.68 |
| 13 | 2007 | 81.61 |
| 14 | 2006 | 103.08 |
| 15 | 2005 | 76.32 |
| 16 | 2004 | 68.90 |
| 17 | 2003 | 51.33 |
| 18 | 2002 | 46.42 |
| 19 | 2001 | 30.40 |
| 20 | 2000 | 18.66 |
| 21 | 1999 | 31.42 |
| 22 | 1998 | 49.09 |
| 23 | 1997 | 22.87 |
| 24 | 1996 | 31.99 |
