| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2017 | |
| 2 | 2016 | |
| 3 | 2015 | |
| 4 | 2014 | |
| 5 | 2013 | |
| 6 | 2012 | |
| 7 | 2011 | 10065.91 |
| 8 | 2010 | -10121.02 |
| 9 | 2009 | -22817.79 |
| 10 | 2008 | -54169.06 |
| 11 | 2007 | -39416.58 |
| 12 | 2006 | -29781.96 |
| 13 | 2005 | -23318.44 |
| 14 | 2004 | -17477.22 |
| 15 | 2003 | -15966.88 |
| 16 | 2002 | -20336.68 |
| 17 | 2001 | -6592.24 |
| 18 | 2000 | -5086.44 |
| 19 | 1999 | -4623.95 |
| 20 | 1998 | -2821.05 |
| 21 | 1997 | -2700.35 |
| 22 | 1996 | -1228.65 |
| 23 | 1995 | -6050.38 |
| 24 | 1994 | -1185.00 |
| 25 | 1993 | -680.21 |
| 26 | 1992 | -1360.00 |
| 27 | 1991 | -612.49 |
| 28 | 1990 | -981.33 |
| 29 | 1989 | -573.30 |
| 30 | 1988 | -2502.94 |
| 31 | 1987 | -465.00 |
| 32 | 1986 | -500.00 |
| 33 | 1985 | -260.00 |
| 34 | 1984 | -3450.00 |
| 35 | 1983 | -1475.00 |
| 36 | 1982 | -3465.00 |
| 37 | 1981 | -3610.00 |
| 38 | 1980 | -2870.00 |
| 39 | 1979 | -3011.70 |
| 40 | 1978 | -938.50 |
| 41 | 1977 | -466.60 |
| 42 | 1976 | -617.80 |
| 43 | 1975 | -370.26 |
| 44 | 1974 | -226.96 |
| 45 | 1973 | -481.36 |
| 46 | 1972 | -1737.02 |
| 47 | 1971 | -1479.54 |
| 48 | 1970 | -846.85 |
| 49 | 1969 | -717.45 |
| 50 | 1968 | -759.40 |
| 51 | 1967 | -701.23 |
