| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 62875.67 |
| 8 | 2017 | 60047.72 |
| 9 | 2016 | 57976.63 |
| 10 | 2015 | 56849.47 |
| 11 | 2014 | 55153.39 |
| 12 | 2013 | 53297.39 |
| 13 | 2012 | 51708.39 |
| 14 | 2011 | 50024.88 |
| 15 | 2010 | 48642.63 |
| 16 | 2009 | 47194.95 |
| 17 | 2008 | 48570.06 |
| 18 | 2007 | 48050.23 |
| 19 | 2006 | 46301.99 |
| 20 | 2005 | 44123.40 |
| 21 | 2004 | 41724.64 |
| 22 | 2003 | 39490.30 |
| 23 | 2002 | 37997.74 |
| 24 | 2001 | 37133.62 |
| 25 | 2000 | 36329.97 |
| 26 | 1999 | 34515.38 |
| 27 | 1998 | 32853.67 |
| 28 | 1997 | 31459.13 |
| 29 | 1996 | 29967.71 |
| 30 | 1995 | 28690.88 |
| 31 | 1994 | 27694.85 |
| 32 | 1993 | 26387.29 |
| 33 | 1992 | 25418.99 |
| 34 | 1991 | 24342.26 |
| 35 | 1990 | 23888.60 |
