| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 191.52 |
| 8 | 2014 | 193.62 |
| 9 | 2013 | 185.26 |
| 10 | 2012 | 176.31 |
| 11 | 2011 | 169.52 |
| 12 | 2010 | 169.10 |
| 13 | 2009 | 163.66 |
| 14 | 2008 | 149.25 |
| 15 | 2007 | 128.12 |
| 16 | 2006 | 116.89 |
| 17 | 2005 | 109.59 |
| 18 | 2004 | 93.73 |
| 19 | 2003 | 76.65 |
| 20 | 2002 | 64.11 |
| 21 | 2001 | 65.13 |
| 22 | 2000 | 65.24 |
| 23 | 1999 | 50.68 |
| 24 | 1998 | 50.01 |
| 25 | 1997 | 49.69 |
| 26 | 1996 | 47.95 |
| 27 | 1995 | 48.95 |
| 28 | 1994 | 49.79 |
| 29 | 1993 | 58.75 |
| 30 | 1992 | 60.32 |
| 31 | 1991 | 55.12 |
| 32 | 1990 | 53.34 |
| 33 | 1989 | 52.95 |
| 34 | 1988 | 51.77 |
| 35 | 1987 | 43.74 |
| 36 | 1986 | 32.96 |
| 37 | 1985 | 27.73 |
| 38 | 1984 | 26.96 |
| 39 | 1983 | 28.28 |
| 40 | 1982 | 34.76 |
| 41 | 1981 | 36.36 |
| 42 | 1980 | 34.85 |
| 43 | 1979 | 30.66 |
| 44 | 1978 | 24.34 |
| 45 | 1977 | 24.06 |
| 46 | 1976 | 23.92 |
| 47 | 1975 | 21.59 |
| 48 | 1974 | 16.98 |
| 49 | 1973 | 13.65 |
| 50 | 1972 | 12.29 |
| 51 | 1971 | 10.90 |
| 52 | 1970 | 10.84 |
| 53 | 1969 | 10.13 |
| 54 | 1968 | 10.69 |
