| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 3430.00 |
| 8 | 2016 | 3398.84 |
| 9 | 2015 | 3367.11 |
| 10 | 2014 | 3354.18 |
| 11 | 2013 | 3337.95 |
| 12 | 2012 | 3357.79 |
| 13 | 2011 | 3437.13 |
| 14 | 2010 | 3562.48 |
| 15 | 2009 | 3645.67 |
| 16 | 2008 | 3906.13 |
| 17 | 2007 | 3777.32 |
| 18 | 2006 | 3685.70 |
| 19 | 2005 | 3602.98 |
| 20 | 2004 | 3603.31 |
| 21 | 2003 | 3571.87 |
| 22 | 2002 | 3381.12 |
| 23 | 2001 | 3973.51 |
| 24 | 2000 | 3888.83 |
| 25 | 1999 | 3842.78 |
| 26 | 1998 | 3792.00 |
| 27 | 1997 | 3770.44 |
| 28 | 1996 | 3760.65 |
| 29 | 1995 | 3801.69 |
| 30 | 1994 | 3860.78 |
| 31 | 1993 | 4001.65 |
| 32 | 1992 | 4044.31 |
| 33 | 1991 | 4120.53 |
