| 序號 | 時間（年） | 單位：美元 |
|---|---|---|
| 注：時間后面標注“E”其對應的值為系統根據歷史數據預測所得，僅供參考。 | ||
| 1 | 2011 | 11307.35 |
| 2 | 2010 | 10442.78 |
| 3 | 2009 | 9614.96 |
| 4 | 2008 | 9708.51 |
| 5 | 2007 | 9193.70 |
| 6 | 2006 | 8499.52 |
| 7 | 2005 | 7806.81 |
| 8 | 2004 | 7039.44 |
| 9 | 2003 | 6483.68 |
| 10 | 2002 | 5918.69 |
| 11 | 2001 | 7073.82 |
| 12 | 2000 | 7491.22 |
| 13 | 1999 | 7634.04 |
| 14 | 1998 | 8002.87 |
| 15 | 1997 | 7826.45 |
| 16 | 1996 | 7333.79 |
| 17 | 1995 | 7051.97 |
| 18 | 1994 | 7381.10 |
| 19 | 1993 | 7070.16 |
| 20 | 1992 | 6725.16 |
| 21 | 1991 | 6013.69 |
| 22 | 1990 | 5337.65 |
| 23 | 1989 | 5302.67 |
| 24 | 1988 | 6082.72 |
| 25 | 1987 | 6319.07 |
| 26 | 1986 | 6237.67 |
| 27 | 1985 | 5809.79 |
| 28 | 1984 | 6399.12 |
| 29 | 1983 | 6322.08 |
| 30 | 1982 | 6160.00 |
| 31 | 1981 | 6840.31 |
| 32 | 1980 | 7475.00 |
| 33 | 1979 | 7284.24 |
| 34 | 1978 | 6725.88 |
| 35 | 1977 | 7138.25 |
| 36 | 1976 | 6833.38 |
| 37 | 1975 | 7178.54 |
| 38 | 1974 | 7226.20 |
| 39 | 1973 | 6965.06 |
| 40 | 1972 | 6762.46 |
| 41 | 1971 | 6944.07 |
| 42 | 1970 | 6362.38 |
| 43 | 1969 | 6470.26 |
| 44 | 1968 | 5938.26 |
| 45 | 1967 | 5855.41 |
| 46 | 1966 | 5970.75 |
| 47 | 1965 | 6012.21 |
| 48 | 1964 | 5516.81 |
| 49 | 1963 | 5085.05 |
| 50 | 1962 | 5450.31 |
| 51 | 1961 | 5593.56 |
| 52 | 1960 | 5390.42 |
圖表顏色：
圖表起止時間： - （拖動下面左右滑塊改變圖表起始時間）
