| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 16701.28 |
| 8 | 2016 | 15712.83 |
| 9 | 2015 | 15997.85 |
| 10 | 2014 | 15574.00 |
| 11 | 2013 | 14831.99 |
| 12 | 2012 | 14446.00 |
| 13 | 2011 | 13923.08 |
| 14 | 2010 | 13601.14 |
| 15 | 2009 | 13135.83 |
| 16 | 2008 | 12719.74 |
| 17 | 2007 | 12138.35 |
| 18 | 2006 | 11893.76 |
| 19 | 2005 | 11679.30 |
| 20 | 2004 | 11450.80 |
| 21 | 2003 | 11114.95 |
| 22 | 2002 | 10880.49 |
| 23 | 2001 | 11068.86 |
| 24 | 2000 | 10761.67 |
| 25 | 1999 | 10348.20 |
| 26 | 1998 | 10126.08 |
| 27 | 1997 | 10041.95 |
| 28 | 1996 | 9761.12 |
| 29 | 1995 | 9458.29 |
| 30 | 1994 | 9366.87 |
| 31 | 1993 | 8878.05 |
| 32 | 1992 | 8794.34 |
| 33 | 1991 | 8700.18 |
