| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | 596470.71 |
| 8 | 2013 | 649581.62 |
| 9 | 2012 | 661042.16 |
| 10 | 2011 | 745333.68 |
| 11 | 2010 | 508081.19 |
| 12 | 2009 | 270495.49 |
| 13 | 1994 | 179526.71 |
| 14 | 1993 | 148529.22 |
| 15 | 1992 | 178005.91 |
| 16 | 1991 | 164387.55 |
| 17 | 1990 | 150347.49 |
| 18 | 1989 | 131681.04 |
| 19 | 1988 | 116228.35 |
| 20 | 1987 | 106978.25 |
| 21 | 1986 | 101042.58 |
| 22 | 1985 | 91787.66 |
| 23 | 1984 | 98815.46 |
| 24 | 1983 | 106833.98 |
| 25 | 1982 | 147037.67 |
| 26 | 1981 | 153221.80 |
| 27 | 1980 | 133350.79 |
| 28 | 1979 | 87421.38 |
| 29 | 1978 | 65661.56 |
| 30 | 1977 | 67036.13 |
