| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 18460.00 |
| 8 | 2017 | 16710.00 |
| 9 | 2016 | 16900.00 |
| 10 | 2015 | 17800.00 |
| 11 | 2014 | 18380.00 |
| 12 | 2013 | 18280.00 |
| 13 | 2012 | 17830.00 |
| 14 | 2011 | 17560.00 |
| 15 | 2010 | 17600.00 |
| 16 | 2009 | 17120.00 |
| 17 | 2008 | 17250.00 |
| 18 | 2007 | 14940.00 |
| 19 | 2006 | 12950.00 |
| 20 | 2005 | 11310.00 |
| 21 | 2004 | 9010.00 |
| 22 | 2003 | 6920.00 |
| 23 | 2002 | 6020.00 |
| 24 | 2001 | 5700.00 |
| 25 | 2000 | 5520.00 |
| 26 | 1999 | 5380.00 |
| 27 | 1998 | 5450.00 |
| 28 | 1997 | 5440.00 |
| 29 | 1996 | 5060.00 |
| 30 | 1995 | 4280.00 |
| 31 | 1994 | 3480.00 |
| 32 | 1993 | 2960.00 |
| 33 | 1992 | 2360.00 |
