| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 48177.36 |
| 8 | 2017 | 45763.16 |
| 9 | 2016 | 40999.08 |
| 10 | 2015 | 38379.01 |
| 11 | 2014 | 35205.79 |
| 12 | 2013 | 33138.17 |
| 13 | 2012 | 30716.19 |
| 14 | 2011 | 29426.03 |
| 15 | 2010 | 28912.37 |
| 16 | 2009 | 26767.98 |
| 17 | 2008 | 26653.90 |
| 18 | 2007 | 25012.58 |
| 19 | 2006 | 23224.02 |
| 20 | 2005 | 22227.41 |
| 21 | 2004 | 21568.70 |
| 22 | 2003 | 20815.41 |
| 23 | 2002 | 19532.03 |
| 24 | 2001 | 18437.08 |
| 25 | 2000 | 18210.61 |
| 26 | 1999 | 16898.54 |
| 27 | 1998 | 16217.80 |
| 28 | 1997 | 15461.82 |
| 29 | 1996 | 14655.33 |
| 30 | 1995 | 13940.18 |
| 31 | 1994 | 12929.37 |
| 32 | 1993 | 12094.55 |
| 33 | 1992 | 11421.34 |
| 34 | 1991 | 10777.11 |
| 35 | 1990 | 10078.77 |
