| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 60568.31 |
| 8 | 2016 | 59215.43 |
| 9 | 2015 | 58671.08 |
| 10 | 2014 | 58362.93 |
| 11 | 2013 | 53386.27 |
| 12 | 2012 | 55038.02 |
| 13 | 2011 | 54231.21 |
| 14 | 2010 | 53796.32 |
| 15 | 2009 | 52813.63 |
| 16 | 2008 | 53634.53 |
| 17 | 2007 | 54650.23 |
| 18 | 2006 | 52951.80 |
| 19 | 2005 | 54148.48 |
| 20 | 2004 | 53775.02 |
| 21 | 2003 | 56666.38 |
| 22 | 2002 | 55945.23 |
| 23 | 2001 | 55343.11 |
| 24 | 2000 | 56987.77 |
| 25 | 1999 | 55353.96 |
| 26 | 1998 | 53788.00 |
| 27 | 1997 | 51687.76 |
| 28 | 1996 | 54951.37 |
| 29 | 1995 | 57589.43 |
| 30 | 1994 | 54106.49 |
| 31 | 1993 | 55571.19 |
| 32 | 1992 | 57621.99 |
| 33 | 1991 | 55840.24 |
