| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 61.79 |
| 8 | 2017 | 55.75 |
| 9 | 2016 | 41.99 |
| 10 | 2015 | 38.25 |
| 11 | 2014 | 33.84 |
| 12 | 2013 | 27.00 |
| 13 | 2012 | 20.81 |
| 14 | 2011 | 19.93 |
| 15 | 2010 | 20.81 |
| 16 | 2009 | 17.25 |
| 17 | 2008 | 17.75 |
| 18 | 2007 | 15.34 |
| 19 | 2006 | 11.36 |
| 20 | 2005 | 11.31 |
| 21 | 2004 | 10.92 |
| 22 | 2003 | 10.48 |
| 23 | 2002 | 8.92 |
| 24 | 2001 | 6.78 |
| 25 | 2000 | 7.37 |
| 26 | 1999 | 7.80 |
| 27 | 1998 | 7.86 |
| 28 | 1997 | 7.19 |
| 29 | 1996 | 6.63 |
| 30 | 1995 | 7.64 |
| 31 | 1994 | 6.26 |
| 32 | 1993 | 5.58 |
| 33 | 1992 | 6.26 |
| 34 | 1991 | 5.69 |
| 35 | 1990 | 5.05 |
| 36 | 1989 | 3.98 |
| 37 | 1988 | 3.80 |
| 38 | 1987 | 3.20 |
| 39 | 1986 | 2.22 |
| 40 | 1985 | 1.37 |
| 41 | 1984 | 1.51 |
| 42 | 1983 | 1.76 |
| 43 | 1982 | 1.91 |
| 44 | 1981 | 2.33 |
| 45 | 1980 | 2.39 |
| 46 | 1979 | 2.03 |
| 47 | 1978 | 1.29 |
| 48 | 1977 | 0.71 |
| 49 | 1976 | 0.83 |
| 50 | 1975 | 0.47 |
| 51 | 1974 | -0.07 |
| 52 | 1973 | 0.08 |
| 53 | 1972 | 0.06 |
| 54 | 1971 | 0.09 |
| 55 | 1970 | 0.07 |
