| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 54.05 |
| 8 | 2017 | 52.95 |
| 9 | 2016 | 49.01 |
| 10 | 2015 | 50.18 |
| 11 | 2014 | 58.27 |
| 12 | 2013 | 58.22 |
| 13 | 2012 | 57.98 |
| 14 | 2011 | 56.63 |
| 15 | 2010 | 45.59 |
| 16 | 2009 | 34.15 |
| 17 | 2008 | 40.01 |
| 18 | 2007 | 32.20 |
| 19 | 2006 | 24.73 |
| 20 | 2005 | 18.43 |
| 21 | 2004 | 14.31 |
| 22 | 2003 | 9.01 |
| 23 | 2002 | 5.92 |
| 24 | 2001 | 4.91 |
| 25 | 2000 | 4.74 |
| 26 | 1999 | 3.60 |
| 27 | 1995 | 2.17 |
| 28 | 1990 | 1.02 |
| 29 | 1985 | 0.81 |
| 30 | 1980 | 0.86 |
| 31 | 1978 | 0.67 |
