| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2017 | |
| 2 | 2016 | |
| 3 | 2015 | |
| 4 | 2014 | |
| 5 | 2013 | |
| 6 | 2012 | |
| 7 | 2011 | 1024.23 |
| 8 | 2010 | 343.19 |
| 9 | 2009 | 252.41 |
| 10 | 2008 | 388.64 |
| 11 | 2007 | 39.30 |
| 12 | 2006 | 418.73 |
| 13 | 2005 | 170.17 |
| 14 | 2004 | 230.57 |
| 15 | 2003 | 85.00 |
| 16 | 2002 | 1650.00 |
| 17 | 2001 | 1280.00 |
| 18 | 2000 | 1275.00 |
| 19 | 1999 | 1045.00 |
| 20 | 1998 | 1060.00 |
| 21 | 1997 | 1212.50 |
| 22 | 1996 | 350.00 |
| 23 | 1995 | 5.00 |
| 24 | 1994 | 35.00 |
| 25 | 1993 | 40.00 |
| 26 | 1992 | 10.00 |
| 27 | 1991 | 25.00 |
| 28 | 1990 | 60.00 |
| 29 | 1989 | 35.00 |
| 30 | 1988 | 65.00 |
| 31 | 1987 | 15.00 |
| 32 | 1986 | 385.00 |
| 33 | 1985 | 235.00 |
| 34 | 1984 | 70.00 |
| 35 | 1983 | 65.00 |
| 36 | 1982 | 45.00 |
| 37 | 1981 | 40.00 |
| 38 | 1980 | 35.00 |
| 39 | 1979 | 23.45 |
| 40 | 1978 | 1.90 |
| 41 | 1977 | 0.60 |
| 42 | 1976 | 1.15 |
| 43 | 1975 | 1.29 |
| 44 | 1974 | 1.17 |
