| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 387.01 |
| 8 | 2014 | 431.86 |
| 9 | 2013 | 488.28 |
| 10 | 2012 | 467.11 |
| 11 | 2011 | 480.44 |
| 12 | 2010 | 480.48 |
| 13 | 2009 | 443.83 |
| 14 | 2008 | 397.68 |
| 15 | 2007 | 399.74 |
| 16 | 2006 | 302.06 |
| 17 | 2005 | 216.01 |
| 18 | 2004 | 160.95 |
| 19 | 2003 | 94.49 |
| 20 | 2002 | 72.86 |
| 21 | 2001 | 48.58 |
| 22 | 2000 | 33.96 |
| 23 | 1999 | 24.91 |
| 24 | 1998 | 37.95 |
| 25 | 1997 | 46.79 |
| 26 | 1996 | 31.43 |
| 27 | 1995 | 26.24 |
| 28 | 1994 | 30.92 |
| 29 | 1993 | 19.21 |
| 30 | 1992 | 23.25 |
| 31 | 1991 | 19.69 |
| 32 | 1990 | 13.74 |
| 33 | 1989 | 27.31 |
| 34 | 1988 | 13.74 |
| 35 | 1987 | 20.62 |
| 36 | 1986 | 18.51 |
| 37 | 1985 | 14.47 |
| 38 | 1984 | 18.60 |
| 39 | 1983 | 19.06 |
| 40 | 1982 | 20.73 |
| 41 | 1981 | 18.31 |
| 42 | 1980 | 25.11 |
| 43 | 1979 | 23.35 |
| 44 | 1978 | 11.32 |
| 45 | 1977 | 7.61 |
| 46 | 1976 | 9.32 |
| 47 | 1975 | 9.04 |
| 48 | 1974 | 6.97 |
| 49 | 1973 | 4.71 |
