| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | 64176.74 |
| 8 | 2013 | 50579.26 |
| 9 | 2012 | 47553.10 |
| 10 | 2011 | 46031.84 |
| 11 | 2010 | 43577.33 |
| 12 | 2009 | 40875.64 |
| 13 | 2008 | 56329.92 |
| 14 | 1989 | 25230.00 |
| 15 | 1988 | 45380.00 |
| 16 | 1987 | 53870.00 |
| 17 | 1986 | 49700.00 |
| 18 | 1985 | 62820.00 |
| 19 | 1984 | 78770.00 |
| 20 | 1983 | 72880.00 |
| 21 | 1982 | 70780.00 |
| 22 | 1981 | 69080.00 |
| 23 | 1980 | 70520.00 |
| 24 | 1979 | 49370.00 |