| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2015 | |
| 2 | 2014 | |
| 3 | 2013 | |
| 4 | 2012 | |
| 5 | 2011 | |
| 6 | 2010 | |
| 7 | 2009 | -39217.57 |
| 8 | 2008 | -82160.94 |
| 9 | 2007 | -59595.20 |
| 10 | 2005 | -16692.76 |
| 11 | 2004 | -34428.02 |
| 12 | 2003 | -17887.29 |
| 13 | 2002 | -6199.24 |
| 14 | 2001 | 9284.64 |
| 15 | 2000 | 6795.73 |
| 16 | 1999 | 23050.06 |
| 17 | 1998 | -11342.79 |
| 18 | 1997 | 33225.49 |
| 19 | 1996 | 49138.46 |
| 20 | 1995 | 34955.94 |
| 21 | 1994 | 9960.29 |
| 22 | 1993 | 11618.77 |
| 23 | 1992 | -10124.98 |
| 24 | 1991 | 6947.72 |
| 25 | 1990 | -4466.24 |
| 26 | 1989 | 3855.70 |
| 27 | 1988 | -12281.42 |
| 28 | 1987 | -8211.98 |
| 29 | 1986 | -10366.56 |
| 30 | 1985 | -1104.03 |
| 31 | 1984 | -476.02 |
| 32 | 1983 | -10612.33 |
| 33 | 1982 | -12693.00 |
| 34 | 1981 | -4747.33 |
| 35 | 1980 | -2352.33 |
| 36 | 1979 | -4832.61 |
| 37 | 1978 | -5654.63 |
