| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 156.66 |
| 8 | 2014 | 148.58 |
| 9 | 2013 | 141.51 |
| 10 | 2012 | 127.59 |
| 11 | 2011 | 111.75 |
| 12 | 2010 | 95.08 |
| 13 | 2009 | 82.99 |
| 14 | 2008 | 73.23 |
| 15 | 2007 | 62.64 |
| 16 | 2006 | 58.27 |
| 17 | 2005 | 59.25 |
| 18 | 2004 | 53.17 |
| 19 | 2003 | 43.29 |
| 20 | 2002 | 36.65 |
| 21 | 2001 | 40.93 |
| 22 | 2000 | 45.38 |
| 23 | 1999 | 51.34 |
| 24 | 1998 | 49.30 |
| 25 | 1997 | 43.99 |
| 26 | 1996 | 37.97 |
