| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 74623.35 |
| 8 | 2016 | 73060.87 |
| 9 | 2015 | 73049.91 |
| 10 | 2014 | 73962.76 |
| 11 | 2013 | 73532.31 |
| 12 | 2012 | 72026.53 |
| 13 | 2011 | 69963.11 |
| 14 | 2010 | 67889.44 |
| 15 | 2009 | 65551.25 |
| 16 | 2008 | 69546.50 |
| 17 | 2007 | 66442.34 |
| 18 | 2006 | 62748.96 |
| 19 | 2005 | 58324.20 |
| 20 | 2004 | 55506.07 |
| 21 | 2003 | 52580.71 |
| 22 | 2002 | 48733.93 |
| 23 | 2001 | 47664.56 |
| 24 | 2000 | 45428.83 |
| 25 | 1999 | 42687.75 |
| 26 | 1998 | 42658.22 |
| 27 | 1997 | 43911.58 |
| 28 | 1996 | 41536.85 |
| 29 | 1995 | 42497.43 |
| 30 | 1994 | 43546.64 |
| 31 | 1993 | 47275.79 |
| 32 | 1992 | 49978.69 |
| 33 | 1991 | 58116.44 |
