| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 57499.45 |
| 12 | 2012 | 57701.10 |
| 13 | 2011 | 56013.27 |
| 14 | 2010 | 54413.83 |
| 15 | 2009 | 53891.12 |
| 16 | 2008 | 55411.17 |
| 17 | 2007 | 54352.80 |
| 18 | 2006 | 54407.89 |
| 19 | 2005 | 53813.15 |
| 20 | 2004 | 53035.53 |
| 21 | 2003 | 50960.44 |
| 22 | 2002 | 50810.28 |
| 23 | 2001 | 51312.32 |
| 24 | 2000 | 51426.65 |
| 25 | 1999 | 49289.42 |
| 26 | 1998 | 49994.16 |
| 27 | 1997 | 48657.41 |
| 28 | 1996 | 47982.22 |
| 29 | 1995 | 47635.10 |
| 30 | 1994 | 47366.19 |
| 31 | 1993 | 47927.76 |
| 32 | 1992 | 48127.25 |
| 33 | 1991 | 46893.44 |
