| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 441.13 |
| 8 | 2014 | 471.18 |
| 9 | 2013 | 453.63 |
| 10 | 2012 | 421.41 |
| 11 | 2011 | 403.22 |
| 12 | 2010 | 389.43 |
| 13 | 2009 | 394.12 |
| 14 | 2008 | 405.44 |
| 15 | 2007 | 342.45 |
| 16 | 2006 | 287.87 |
| 17 | 2005 | 251.30 |
| 18 | 2004 | 202.91 |
| 19 | 2003 | 160.40 |
| 20 | 2002 | 131.54 |
| 21 | 2001 | 119.92 |
| 22 | 2000 | 112.31 |
| 23 | 1999 | 104.96 |
| 24 | 1998 | 101.38 |
| 25 | 1997 | 92.78 |
