| 序号 | 时间 (年) |
数据 (百万美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | |
| 8 | 2017 | |
| 9 | 2016 | |
| 10 | 2015 | |
| 11 | 2014 | 32.14 |
| 12 | 2013 | 34.86 |
| 13 | 2012 | 52.14 |
| 14 | 2011 | 72.82 |
| 15 | 2010 | 30.05 |
| 16 | 2009 | 24.90 |
| 17 | 2008 | 27.30 |
| 18 | 2007 | 21.50 |
| 19 | 2006 | 17.60 |
| 20 | 2005 | 18.50 |
| 21 | 2004 | 17.50 |
| 22 | 2003 | 28.26 |
| 23 | 2002 | 26.87 |
| 24 | 2001 | 26.50 |
| 25 | 2000 | 21.60 |
| 26 | 1999 | 18.03 |
| 27 | 1998 | 23.50 |
| 28 | 1997 | 16.85 |
| 29 | 1996 | 18.14 |
| 30 | 1995 | 20.56 |
| 31 | 1994 | 11.44 |
| 32 | 1993 | 29.51 |
| 33 | 1992 | 23.81 |
| 34 | 1991 | 10.44 |
| 35 | 1990 | 3.72 |
| 36 | 1989 | 2.29 |
| 37 | 1988 | 2.74 |
