| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 70511.25 |
| 8 | 2016 | 68634.68 |
| 9 | 2015 | 66836.68 |
| 10 | 2014 | 65255.60 |
| 11 | 2013 | 63854.56 |
| 12 | 2012 | 63772.54 |
| 13 | 2011 | 60782.44 |
| 14 | 2010 | 60117.84 |
| 15 | 2009 | 58872.38 |
| 16 | 2008 | 58986.71 |
| 17 | 2007 | 60574.17 |
| 18 | 2006 | 56456.94 |
| 19 | 2005 | 53406.01 |
| 20 | 2004 | 48843.17 |
| 21 | 2003 | 45293.78 |
| 22 | 2002 | 41873.36 |
| 23 | 2001 | 39915.55 |
| 24 | 2000 | 37799.93 |
| 25 | 1999 | 34575.30 |
| 26 | 1998 | 33145.63 |
| 27 | 1997 | 30966.99 |
| 28 | 1996 | 30385.80 |
| 29 | 1995 | 28753.68 |
| 30 | 1994 | 28615.38 |
| 31 | 1993 | 26877.63 |
| 32 | 1992 | 24951.03 |
| 33 | 1991 | 35557.26 |
