| 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 | 49.06 |
| 8 | 2016 | 47.20 |
| 9 | 2015 | 49.55 |
| 10 | 2014 | 50.38 |
| 11 | 2013 | 46.71 |
| 12 | 2012 | 45.07 |
| 13 | 2011 | 44.95 |
| 14 | 2010 | 41.22 |
| 15 | 2009 | 43.22 |
| 16 | 2008 | 44.11 |
| 17 | 2007 | 49.36 |
| 18 | 2006 | 45.87 |
| 19 | 2005 | 36.85 |
| 20 | 2004 | 43.89 |
| 21 | 2003 | 40.32 |
| 22 | 2002 | 38.15 |
| 23 | 2001 | 39.93 |
| 24 | 2000 | 42.03 |
| 25 | 1991 | 27.77 |
| 26 | 1990 | 24.78 |
| 27 | 1989 | 20.67 |
| 28 | 1988 | 17.87 |
