| 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 | 12.16 |
| 8 | 2016 | 15.97 |
| 9 | 2015 | 13.56 |
| 10 | 2014 | 14.45 |
| 11 | 2013 | 10.32 |
| 12 | 2012 | 9.56 |
| 13 | 2011 | 11.66 |
| 14 | 2010 | 7.56 |
| 15 | 2009 | 3.02 |
| 16 | 2008 | 7.07 |
| 17 | 2007 | 9.17 |
| 18 | 2006 | 20.60 |
| 19 | 2005 | 5.09 |
| 20 | 2004 | 5.18 |
| 21 | 2003 | 5.84 |
| 22 | 2002 | 5.00 |
| 23 | 2001 | 4.29 |
| 24 | 1990 | 2.49 |
| 25 | 1988 | 3.36 |
| 26 | 1987 | 2.98 |
| 27 | 1986 | 1.09 |
| 28 | 1985 | 0.99 |
| 29 | 1984 | 0.78 |
| 30 | 1983 | 0.47 |
| 31 | 1982 | 0.43 |
| 32 | 1981 | 1.35 |
| 33 | 1980 | 3.28 |
