| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 489.65 |
| 8 | 2014 | 472.27 |
| 9 | 2013 | 418.48 |
| 10 | 2012 | 371.76 |
| 11 | 2011 | 339.32 |
| 12 | 2010 | 312.15 |
| 13 | 2009 | 279.47 |
| 14 | 2008 | 243.57 |
| 15 | 2007 | 212.68 |
| 16 | 2006 | 199.44 |
| 17 | 2005 | 188.05 |
| 18 | 2004 | 171.54 |
| 19 | 2003 | 153.52 |
| 20 | 2002 | 143.50 |
| 21 | 2001 | 135.59 |
| 22 | 2000 | 131.96 |
| 23 | 1999 | 105.54 |
| 24 | 1998 | 82.99 |
| 25 | 1997 | 65.70 |
| 26 | 1996 | 56.84 |
| 27 | 1995 | 48.68 |
| 28 | 1994 | 45.20 |
| 29 | 1993 | 46.27 |
| 30 | 1992 | 46.76 |
| 31 | 1991 | 47.10 |
| 32 | 1990 | 48.36 |
