| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 8712.22 |
| 8 | 2015 | 19880.10 |
| 9 | 2014 | 24569.43 |
| 10 | 2013 | 9539.05 |
| 11 | 2012 | 9940.11 |
| 12 | 2011 | 12074.20 |
| 13 | 2010 | 12530.89 |
| 14 | 2009 | 27410.07 |
| 15 | 2008 | 50960.57 |
| 16 | 2007 | 34617.25 |
| 17 | 2006 | 33649.71 |
| 18 | 2005 | 21323.87 |
| 19 | 2004 | 21239.11 |
| 20 | 1987 | 113.05 |
| 21 | 1986 | 122.53 |
| 22 | 1985 | 74.51 |
| 23 | 1984 | 79.46 |
| 24 | 1983 | 82.90 |
| 25 | 1982 | 70.42 |
| 26 | 1981 | 24.76 |
| 27 | 1980 | 28.21 |
| 28 | 1979 | 36.61 |