| 序号 | 时间 (年) |
数据 (万美元 ) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 30381.77 |
| 8 | 2016 | 27854.83 |
| 9 | 2015 | 24189.82 |
| 10 | 2014 | 22072.89 |
| 11 | 2013 | 19779.08 |
| 12 | 2012 | 15250.66 |
| 13 | 2011 | 15774.93 |
| 14 | 2010 | 13866.51 |
| 15 | 2009 | 15329.73 |
| 16 | 1994 | 2023.16 |
| 17 | 1993 | 1771.91 |
| 18 | 1992 | 1597.08 |
| 19 | 1991 | 1575.29 |
| 20 | 1990 | 1529.98 |
