| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 2210.39 |
| 8 | 2016 | 2245.86 |
| 9 | 2015 | 2276.61 |
| 10 | 2014 | 2405.00 |
| 11 | 2013 | 2374.25 |
| 12 | 2012 | 2334.79 |
| 13 | 2011 | 2306.56 |
| 14 | 2010 | 2289.45 |
| 15 | 2009 | 2288.47 |
| 16 | 2008 | 2337.29 |
| 17 | 2007 | 2356.69 |
| 18 | 2006 | 2394.58 |
| 19 | 2005 | 2335.77 |
| 20 | 2004 | 2390.92 |
| 21 | 2003 | 2369.38 |
| 22 | 2002 | 2471.23 |
| 23 | 2001 | 2433.65 |
| 24 | 2000 | 2446.95 |
| 25 | 1999 | 2517.71 |
| 26 | 1998 | 2613.86 |
| 27 | 1997 | 2544.58 |
| 28 | 1996 | 2540.24 |
| 29 | 1995 | 2704.76 |
| 30 | 1994 | 3222.62 |
| 31 | 1993 | 3330.54 |
| 32 | 1992 | 3261.06 |
| 33 | 1991 | 3293.60 |
