| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | -37780.21 |
| 8 | 2014 | -37563.84 |
| 9 | 2013 | -27803.81 |
| 10 | 2012 | -22016.96 |
| 11 | 2011 | -29114.14 |
| 12 | 2010 | -26413.00 |
| 13 | 2009 | -24389.03 |
| 14 | 2008 | -27246.63 |
| 15 | 2007 | -27308.98 |
| 16 | 2006 | -21061.37 |
| 17 | 2005 | -5232.73 |
| 18 | 2004 | -6408.03 |
| 19 | 2003 | -4994.85 |
| 20 | 2002 | -4424.45 |
| 21 | 2001 | -3901.57 |
| 22 | 2000 | -6244.37 |
| 23 | 1999 | -14224.34 |
| 24 | 1998 | -6031.34 |
| 25 | 1997 | -17689.30 |
| 26 | 1996 | -676.18 |
| 27 | 1995 | -3499.96 |
| 28 | 1994 | -4947.72 |
| 29 | 1993 | 113.01 |
| 30 | 1992 | 2995.94 |
| 31 | 1991 | -1159.14 |
| 32 | 1990 | -6644.27 |
| 33 | 1989 | -1821.27 |
| 34 | 1988 | -117.51 |
| 35 | 1987 | 209.63 |
| 36 | 1986 | 378.28 |
| 37 | 1985 | 1891.99 |
| 38 | 1984 | -2723.38 |
| 39 | 1983 | 3309.14 |
| 40 | 1982 | -1010.33 |
| 41 | 1981 | -1961.50 |
| 42 | 1980 | -1292.13 |
| 43 | 1979 | -498.30 |
| 44 | 1978 | 549.51 |
| 45 | 1977 | -2507.33 |
| 46 | 1976 | -3624.18 |
| 47 | 1975 | -2939.63 |
| 48 | 1974 | -702.11 |
