| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 221.22 |
| 8 | 2014 | 226.89 |
| 9 | 2013 | 240.42 |
| 10 | 2012 | 257.14 |
| 11 | 2011 | 277.75 |
| 12 | 2010 | 266.51 |
| 13 | 2009 | 264.84 |
| 14 | 2008 | 251.52 |
| 15 | 2007 | 209.76 |
| 16 | 2006 | 192.27 |
| 17 | 2005 | 177.16 |
| 18 | 2004 | 147.51 |
| 19 | 2003 | 120.03 |
| 20 | 2002 | 102.94 |
| 21 | 2001 | 99.42 |
| 22 | 2000 | 98.43 |
| 23 | 1999 | 98.49 |
| 24 | 1998 | 105.21 |
| 25 | 1997 | 95.80 |
| 26 | 1996 | 91.78 |
| 27 | 1995 | 83.39 |
| 28 | 1994 | 74.69 |
| 29 | 1993 | 68.68 |
| 30 | 1992 | 67.36 |
| 31 | 1991 | 56.30 |
| 32 | 1990 | 53.95 |
| 33 | 1989 | 48.67 |
| 34 | 1988 | 44.26 |
| 35 | 1987 | 34.87 |
| 36 | 1986 | 27.52 |
| 37 | 1985 | 24.24 |
| 38 | 1984 | 23.32 |
| 39 | 1983 | 22.28 |
| 40 | 1982 | 23.52 |
| 41 | 1981 | 20.95 |
| 42 | 1980 | 17.27 |
| 43 | 1979 | 12.08 |
| 44 | 1978 | 9.01 |
| 45 | 1977 | 7.57 |
