| 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 | 30.01 |
| 8 | 2016 | 26.34 |
| 9 | 2015 | 32.51 |
| 10 | 2014 | 23.03 |
| 11 | 2013 | 17.16 |
| 12 | 2012 | 18.15 |
| 13 | 2011 | 19.89 |
| 14 | 2010 | 11.49 |
| 15 | 2009 | 17.21 |
| 16 | 2008 | 15.85 |
| 17 | 2007 | 11.63 |
| 18 | 1995 | 6.23 |
| 19 | 1994 | 2.75 |
| 20 | 1993 | 2.62 |
| 21 | 1986 | 10.30 |
| 22 | 1985 | 14.95 |
| 23 | 1984 | 18.77 |
| 24 | 1983 | 12.96 |
| 25 | 1980 | 18.58 |
