| 序号 | 时间 (年) |
数据 (百万美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 42.57 |
| 8 | 2016 | 36.21 |
| 9 | 2015 | 34.58 |
| 10 | 2014 | 38.43 |
| 11 | 2013 | 41.31 |
| 12 | 2012 | 46.16 |
| 13 | 2011 | 32.28 |
| 14 | 2010 | 30.32 |
| 15 | 2009 | 39.94 |
| 16 | 2008 | 40.90 |
| 17 | 2007 | 26.08 |
| 18 | 2006 | 22.03 |
| 19 | 2005 | 27.40 |
| 20 | 2004 | 27.56 |
| 21 | 2003 | 19.35 |
| 22 | 2002 | 14.65 |
| 23 | 2001 | 12.28 |
| 24 | 2000 | 12.62 |
| 25 | 1999 | 8.76 |
| 26 | 1998 | 0.29 |
| 27 | 1997 | 5.86 |
| 28 | 1995 | 6.48 |
| 29 | 1994 | 3.73 |
| 30 | 1993 | 2.89 |
| 31 | 1992 | 1.47 |
| 32 | 1991 | 0.77 |
| 33 | 1990 | 1.86 |
