| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 459.48 |
| 8 | 2014 | 486.99 |
| 9 | 2013 | 478.79 |
| 10 | 2012 | 478.58 |
| 11 | 2011 | 505.52 |
| 12 | 2010 | 504.27 |
| 13 | 2009 | 498.76 |
| 14 | 2008 | 498.46 |
| 15 | 2007 | 439.90 |
| 16 | 2006 | 397.72 |
| 17 | 2005 | 366.23 |
| 18 | 2004 | 311.73 |
| 19 | 2003 | 252.06 |
| 20 | 2002 | 217.70 |
| 21 | 2001 | 218.16 |
| 22 | 2000 | 224.14 |
| 23 | 1999 | 224.55 |
| 24 | 1998 | 218.07 |
| 25 | 1997 | 223.25 |
| 26 | 1996 | 202.82 |
| 27 | 1995 | 175.94 |
