| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 126.36 |
| 8 | 2014 | 131.16 |
| 9 | 2013 | 131.57 |
| 10 | 2012 | 126.58 |
| 11 | 2011 | 128.04 |
| 12 | 2010 | 127.09 |
| 13 | 2009 | 125.29 |
| 14 | 2008 | 118.93 |
| 15 | 2007 | 102.74 |
| 16 | 2006 | 91.30 |
| 17 | 2005 | 78.88 |
| 18 | 2004 | 63.62 |
| 19 | 2003 | 50.06 |
| 20 | 2002 | 41.76 |
| 21 | 2001 | 39.06 |
| 22 | 2000 | 34.07 |
| 23 | 1999 | 29.57 |
| 24 | 1998 | 27.01 |
| 25 | 1997 | 25.33 |
| 26 | 1996 | 28.24 |
| 27 | 1995 | 20.35 |
| 28 | 1994 | 12.17 |
| 29 | 1993 | 10.24 |
| 30 | 1992 | 9.06 |
| 31 | 1991 | 13.41 |
| 32 | 1990 | 21.45 |
| 33 | 1989 | 24.46 |
| 34 | 1988 | 23.08 |
| 35 | 1987 | 22.51 |
| 36 | 1986 | 21.14 |
