| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2017 | |
| 2 | 2016 | |
| 3 | 2015 | |
| 4 | 2014 | |
| 5 | 2013 | |
| 6 | 2012 | |
| 7 | 2011 | 83271.28 |
| 8 | 2010 | 72247.85 |
| 9 | 2009 | 48182.93 |
| 10 | 2008 | 73341.01 |
| 11 | 2007 | 71345.76 |
| 12 | 2006 | 66792.35 |
| 13 | 2005 | 50812.57 |
| 14 | 2004 | 37117.37 |
| 15 | 2003 | 33843.48 |
| 16 | 2002 | 28101.31 |
| 17 | 2001 | 28918.48 |
| 18 | 2000 | 31614.20 |
| 19 | 1999 | 27305.83 |
| 20 | 1998 | 26231.29 |
| 21 | 1997 | 28385.00 |
| 22 | 1996 | 28120.00 |
| 23 | 1995 | 23980.00 |
| 24 | 1994 | 18010.00 |
| 25 | 1993 | 18755.00 |
| 26 | 1992 | 18985.00 |
| 27 | 1991 | 20665.00 |
| 28 | 1990 | 21890.00 |
| 29 | 1989 | 18730.00 |
| 30 | 1988 | 17945.00 |
| 31 | 1987 | 16715.00 |
| 32 | 1986 | 28340.00 |
| 33 | 1985 | 30500.00 |
| 34 | 1984 | 34185.00 |
| 35 | 1983 | 27295.00 |
| 36 | 1982 | 20940.00 |
| 37 | 1981 | 16365.00 |
| 38 | 1980 | 18175.00 |
| 39 | 1979 | 13238.80 |
| 40 | 1978 | 13729.80 |
| 41 | 1977 | 10343.90 |
| 42 | 1976 | 8798.85 |
| 43 | 1975 | 9528.17 |
| 44 | 1974 | 6804.25 |
| 45 | 1973 | 4874.13 |
| 46 | 1972 | 3850.09 |
| 47 | 1971 | 3406.19 |
| 48 | 1970 | 3654.85 |
| 49 | 1969 | 3346.45 |
| 50 | 1968 | 3457.25 |
| 51 | 1967 | 3606.30 |
