| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 20025.98 |
| 8 | 2017 | 18413.71 |
| 9 | 2016 | 17832.48 |
| 10 | 2015 | 18133.53 |
| 11 | 2014 | 19037.88 |
| 12 | 2013 | 19014.05 |
| 13 | 2012 | 18114.75 |
| 14 | 2011 | 16563.20 |
| 15 | 2010 | 15339.10 |
| 16 | 2009 | 14034.19 |
| 17 | 2008 | 13886.13 |
| 18 | 2007 | 12320.02 |
| 19 | 2006 | 10994.60 |
| 20 | 2005 | 9636.89 |
| 21 | 2004 | 8482.92 |
| 22 | 2003 | 7361.72 |
| 23 | 2002 | 6697.15 |
| 24 | 2001 | 6238.10 |
| 25 | 2000 | 5795.65 |
| 26 | 1999 | 5331.42 |
| 27 | 1998 | 5061.33 |
| 28 | 1997 | 4596.49 |
| 29 | 1996 | 4039.34 |
| 30 | 1995 | 3845.71 |
| 31 | 1994 | 4190.32 |
| 32 | 1993 | 4640.86 |
| 33 | 1992 | 4917.12 |
| 34 | 1991 | 5329.80 |
| 35 | 1990 | 5220.47 |
