| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 50.00 |
| 8 | 2017 | 41.39 |
| 9 | 2016 | 44.64 |
| 10 | 2015 | 40.92 |
| 11 | 2014 | 46.08 |
| 12 | 2013 | 38.01 |
| 13 | 2012 | 43.97 |
| 14 | 2011 | 35.78 |
| 15 | 2010 | 26.01 |
| 16 | 2009 | 15.06 |
| 17 | 2008 | 35.43 |
| 18 | 2007 | 34.03 |
| 19 | 2006 | 23.03 |
| 20 | 2005 | 21.37 |
| 21 | 2004 | 15.88 |
| 22 | 2003 | 11.61 |
| 23 | 2002 | 9.68 |
| 24 | 2001 | 9.76 |
| 25 | 2000 | 8.13 |
| 26 | 1999 | 7.41 |
| 27 | 1998 | 9.82 |
| 28 | 1997 | 6.26 |
| 29 | 1996 | 6.06 |
| 30 | 1995 | 1.09 |
| 31 | 1994 | 0.67 |
| 32 | 1993 | 1.62 |
| 33 | 1992 | 8.63 |
| 34 | 1991 | 17.88 |
| 35 | 1990 | 23.78 |
| 36 | 1989 | 24.81 |
| 37 | 1988 | 27.09 |
| 38 | 1987 | 21.12 |
