| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 317.64 |
| 8 | 2014 | 302.40 |
| 9 | 2013 | 286.94 |
| 10 | 2012 | 221.27 |
| 11 | 2011 | 209.94 |
| 12 | 2010 | 219.35 |
| 13 | 2009 | 172.46 |
| 14 | 2008 | 132.11 |
| 15 | 2007 | 114.02 |
| 16 | 2006 | 100.44 |
| 17 | 2005 | 86.66 |
| 18 | 2004 | 75.57 |
| 19 | 2003 | 66.28 |
| 20 | 2002 | 63.03 |
| 21 | 2001 | 60.51 |
| 22 | 2000 | 63.98 |
| 23 | 1999 | 65.73 |
| 24 | 1998 | 64.69 |
| 25 | 1997 | 64.50 |
| 26 | 1996 | 58.10 |
| 27 | 1995 | 47.13 |
| 28 | 1994 | 36.29 |
| 29 | 1993 | 34.03 |
| 30 | 1992 | 35.50 |
| 31 | 1991 | 44.15 |
| 32 | 1990 | 56.38 |
| 33 | 1989 | 67.43 |
| 34 | 1988 | 64.46 |
| 35 | 1987 | 49.01 |
| 36 | 1986 | 37.54 |
| 37 | 1985 | 28.46 |
| 38 | 1984 | 25.05 |
