| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 10110.90 |
| 8 | 2016 | 9928.95 |
| 9 | 2015 | 10061.38 |
| 10 | 2014 | 10066.06 |
| 11 | 2013 | 10201.68 |
| 12 | 2012 | 10138.31 |
| 13 | 2011 | 8952.23 |
| 14 | 2010 | 7915.10 |
| 15 | 2009 | 6581.74 |
| 16 | 2008 | 5911.62 |
| 17 | 2007 | 7178.94 |
| 18 | 2006 | 7483.15 |
| 19 | 2005 | 7779.05 |
| 20 | 2004 | 8233.51 |
| 21 | 2003 | 8803.38 |
| 22 | 2002 | 10699.57 |
| 23 | 2001 | 11858.39 |
| 24 | 2000 | 11844.88 |
| 25 | 1999 | 12452.55 |
| 26 | 1998 | 12913.48 |
| 27 | 1997 | 13003.93 |
| 28 | 1996 | 12947.98 |
| 29 | 1995 | 12024.36 |
| 30 | 1994 | 12196.40 |
| 31 | 1993 | 11304.89 |
| 32 | 1992 | 11362.91 |
| 33 | 1991 | 12849.66 |
