| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 66316.15 |
| 8 | 2016 | 65068.84 |
| 9 | 2015 | 61996.92 |
| 10 | 2014 | 59975.31 |
| 11 | 2013 | 61947.83 |
| 12 | 2012 | 63789.48 |
| 13 | 2011 | 63697.75 |
| 14 | 2010 | 62939.92 |
| 15 | 2009 | 62887.45 |
| 16 | 2008 | 64084.10 |
| 17 | 2007 | 63369.19 |
| 18 | 2006 | 63061.16 |
| 19 | 2005 | 62592.33 |
| 20 | 2004 | 61054.73 |
| 21 | 2003 | 58997.84 |
| 22 | 2002 | 59543.29 |
| 23 | 2001 | 59323.75 |
| 24 | 2000 | 60474.61 |
| 25 | 1999 | 59096.10 |
| 26 | 1998 | 56501.46 |
| 27 | 1997 | 54772.57 |
| 28 | 1996 | 54643.37 |
| 29 | 1995 | 55095.41 |
| 30 | 1994 | 52147.12 |
| 31 | 1993 | 50352.86 |
| 32 | 1992 | 50674.46 |
| 33 | 1991 | 47194.99 |
