| 序号 | 时间(年) | 单位:美元 |
|---|---|---|
| 注:时间后面标注“E”其对应的值为系统根据历史数据预测所得,仅供参考。 | ||
| 1 | 2011 | 525.05 |
| 2 | 2010 | 564.63 |
| 3 | 2009 | 561.62 |
| 4 | 2008 | 551.68 |
| 5 | 2007 | 548.83 |
| 6 | 2006 | 549.86 |
| 7 | 2005 | 556.78 |
| 8 | 2004 | 557.83 |
| 9 | 2003 | 552.63 |
| 10 | 2002 | 567.01 |
| 11 | 2001 | 583.97 |
| 12 | 2000 | 585.89 |
| 13 | 1999 | 621.52 |
| 14 | 1998 | 629.37 |
| 15 | 1997 | 614.57 |
| 16 | 1996 | 587.68 |
| 17 | 1995 | 551.77 |
| 18 | 1994 | 528.07 |
| 19 | 1993 | 533.62 |
| 20 | 1992 | 557.04 |
| 21 | 1991 | 573.11 |
| 22 | 1990 | 587.73 |
| 23 | 1989 | 611.07 |
| 24 | 1988 | 638.01 |
| 25 | 1987 | 654.66 |
| 26 | 1986 | 686.08 |
| 27 | 1985 | 672.71 |
| 28 | 1984 | 691.17 |
| 29 | 1983 | 723.53 |
| 30 | 1982 | 808.67 |
| 31 | 1981 | 849.70 |
| 32 | 1980 | 867.45 |
| 33 | 1979 | 1008.68 |
| 34 | 1978 | 1042.07 |
| 35 | 1977 | 990.72 |
| 36 | 1976 | 966.63 |
| 37 | 1975 | 896.98 |
| 38 | 1974 | 869.51 |
| 39 | 1973 | 864.07 |
| 40 | 1972 | 861.85 |
| 41 | 1971 | 854.84 |
| 42 | 1970 | 827.89 |
| 43 | 1969 | 777.33 |
| 44 | 1968 | 741.41 |
| 45 | 1967 | 682.92 |
| 46 | 1966 | 679.40 |
| 47 | 1965 | 636.43 |
| 48 | 1964 | 684.14 |
| 49 | 1963 | 597.78 |
| 50 | 1962 | 551.55 |
| 51 | 1961 | 574.56 |
| 52 | 1960 | 560.45 |
