| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 55.65 |
| 8 | 2017 | 43.71 |
| 9 | 2016 | 36.87 |
| 10 | 2015 | 35.47 |
| 11 | 2014 | 42.63 |
| 12 | 2013 | 35.59 |
| 13 | 2012 | 30.90 |
| 14 | 2011 | 31.96 |
| 15 | 2010 | 28.19 |
| 16 | 2009 | 15.16 |
| 17 | 2008 | 15.11 |
| 18 | 2007 | 12.81 |
| 19 | 2006 | 11.00 |
| 20 | 2005 | 8.52 |
| 21 | 2004 | 9.71 |
| 22 | 2003 | 5.37 |
| 23 | 2002 | 2.78 |
| 24 | 2001 | 2.50 |
| 25 | 2000 | 1.89 |
| 26 | 1999 | 1.84 |
| 27 | 1995 | 0.61 |
| 28 | 1990 | 0.26 |
| 29 | 1985 | 0.08 |
| 30 | 1980 | 0.01 |
