| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 42527.28 |
| 8 | 2017 | 42243.51 |
| 9 | 2016 | 39988.93 |
| 10 | 2015 | 37578.03 |
| 11 | 2014 | 37331.32 |
| 12 | 2013 | 36262.70 |
| 13 | 2012 | 33054.89 |
| 14 | 2011 | 32738.99 |
| 15 | 2010 | 31292.95 |
| 16 | 2009 | 30756.22 |
| 17 | 2008 | 29895.65 |
| 18 | 2007 | 29353.50 |
| 19 | 2006 | 27744.06 |
| 20 | 2005 | 25677.42 |
| 21 | 2004 | 25096.69 |
| 22 | 2003 | 23987.37 |
| 23 | 2002 | 23306.28 |
| 24 | 2001 | 22521.04 |
| 25 | 2000 | 21500.63 |
| 26 | 1999 | 20579.37 |
| 27 | 1998 | 19319.98 |
| 28 | 1997 | 19127.30 |
| 29 | 1996 | 18441.63 |
| 30 | 1995 | 17885.35 |
| 31 | 1994 | 17111.15 |
| 32 | 1993 | 15964.26 |
| 33 | 1992 | 14937.45 |
| 34 | 1991 | 14560.45 |
| 35 | 1990 | 14871.46 |
