| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | -13030.00 |
| 8 | 2013 | -11420.00 |
| 9 | 2012 | -9920.00 |
| 10 | 2011 | -1000.00 |
| 11 | 2010 | -6309.00 |
| 12 | 2009 | -6700.00 |
| 13 | 1994 | -5010.02 |
| 14 | 1993 | 508.31 |
| 15 | 1992 | 947.55 |
| 16 | 1991 | -726.86 |
| 17 | 1990 | 2166.27 |
| 18 | 1989 | 3666.98 |
| 19 | 1988 | 6079.43 |
| 20 | 1987 | -90.99 |
| 21 | 1986 | -125.34 |
| 22 | 1985 | -908.88 |
| 23 | 1984 | -283.23 |
| 24 | 1983 | 4264.69 |
| 25 | 1982 | 4676.58 |
| 26 | 1981 | 2996.98 |
| 27 | 1980 | 2742.95 |
| 28 | 1979 | 881.71 |
| 29 | 1978 | 829.85 |
| 30 | 1977 | 826.63 |
