| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 9314.64 |
| 12 | 2012 | 9101.39 |
| 13 | 2011 | 8772.86 |
| 14 | 2010 | 8453.85 |
| 15 | 2009 | 8188.53 |
| 16 | 2008 | 8408.27 |
| 17 | 2007 | 8214.58 |
| 18 | 2006 | 7825.33 |
| 19 | 2005 | 7817.01 |
| 20 | 2004 | 7650.76 |
| 21 | 2003 | 7559.54 |
| 22 | 2002 | 7562.36 |
| 23 | 2001 | 7284.86 |
| 24 | 2000 | 7077.89 |
| 25 | 1999 | 7005.37 |
| 26 | 1998 | 6885.29 |
| 27 | 1997 | 6731.69 |
| 28 | 1996 | 6506.32 |
| 29 | 1995 | 6405.94 |
| 30 | 1994 | 6293.58 |
| 31 | 1993 | 6233.91 |
| 32 | 1992 | 6114.71 |
| 33 | 1991 | 6106.85 |
