| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | -233383.85 |
| 8 | 2013 | -264876.11 |
| 9 | 2012 | -227757.95 |
| 10 | 2011 | -274951.80 |
| 11 | 2010 | -165538.57 |
| 12 | 2009 | -73046.96 |
| 13 | 1994 | -42442.78 |
| 14 | 1993 | -11562.72 |
| 15 | 1992 | -60299.06 |
| 16 | 1991 | -45642.12 |
| 17 | 1990 | -13968.00 |
| 18 | 1989 | 1691.26 |
| 19 | 1988 | 12512.90 |
| 20 | 1987 | 5791.83 |
| 21 | 1986 | 1675.70 |
| 22 | 1985 | -6408.90 |
| 23 | 1984 | -4283.81 |
| 24 | 1983 | -39742.19 |
| 25 | 1982 | -63142.40 |
| 26 | 1981 | -54544.61 |
| 27 | 1980 | -14923.51 |
| 28 | 1979 | -5642.93 |
| 29 | 1978 | 5394.00 |
| 30 | 1977 | 111.28 |
