| 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 | 21.88 |
| 8 | 2016 | 13.56 |
| 9 | 2015 | 15.74 |
| 10 | 2014 | 25.74 |
| 11 | 2013 | 16.65 |
| 12 | 2012 | 19.83 |
| 13 | 2011 | 13.91 |
| 14 | 2010 | 11.04 |
| 15 | 2009 | 11.58 |
| 16 | 2008 | 11.07 |
| 17 | 2007 | 8.79 |
| 18 | 1995 | 4.49 |
| 19 | 1994 | 2.31 |
| 20 | 1993 | 6.01 |
| 21 | 1988 | 0.00 |
| 22 | 1987 | 0.00 |
| 23 | 1986 | 8.18 |
| 24 | 1985 | 3.68 |
| 25 | 1984 | 4.85 |
| 26 | 1983 | 4.86 |
| 27 | 1982 | 0.00 |
| 28 | 1981 | 0.00 |
| 29 | 1980 | 4.55 |