| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | |
| 8 | 2017 | |
| 9 | 2016 | |
| 10 | 2015 | |
| 11 | 2014 | 36.62 |
| 12 | 2013 | 36.49 |
| 13 | 2012 | 35.12 |
| 14 | 2011 | 34.69 |
| 15 | 2010 | 30.36 |
| 16 | 2009 | 27.37 |
| 17 | 2008 | 27.02 |
| 18 | 2007 | 30.34 |
| 19 | 2006 | 22.69 |
| 20 | 2005 | 19.21 |
| 21 | 2004 | 19.01 |
| 22 | 2003 | 17.29 |
| 23 | 2002 | 17.39 |
| 24 | 2001 | 18.03 |
| 25 | 2000 | 16.97 |
| 26 | 1999 | 13.16 |
| 27 | 1998 | 12.10 |
| 28 | 1997 | 13.08 |
| 29 | 1996 | 12.90 |
| 30 | 1995 | 12.66 |
| 31 | 1994 | 11.04 |
| 32 | 1993 | 10.61 |
| 33 | 1992 | 9.76 |
| 34 | 1991 | 8.36 |
| 35 | 1990 | 7.75 |
| 36 | 1989 | 7.26 |
| 37 | 1983 | 3.63 |
| 38 | 1982 | 2.36 |
| 39 | 1981 | 1.91 |
| 40 | 1980 | 4.09 |
| 41 | 1979 | 1.08 |
| 42 | 1978 | 0.83 |
| 43 | 1977 | 1.30 |
| 44 | 1976 | 1.32 |
| 45 | 1975 | 2.02 |
| 46 | 1974 | 1.85 |
