| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 36491.94 |
| 8 | 2017 | 33591.56 |
| 9 | 2016 | 30772.67 |
| 10 | 2015 | 28854.00 |
| 11 | 2014 | 28005.79 |
| 12 | 2013 | 26563.37 |
| 13 | 2012 | 24566.90 |
| 14 | 2011 | 22701.55 |
| 15 | 2010 | 19827.95 |
| 16 | 2009 | 18167.64 |
| 17 | 2008 | 20735.71 |
| 18 | 2007 | 19113.99 |
| 19 | 2006 | 16446.98 |
| 20 | 2005 | 14514.78 |
| 21 | 2004 | 13097.44 |
| 22 | 2003 | 12085.96 |
| 23 | 2002 | 10497.27 |
| 24 | 2001 | 9456.87 |
| 25 | 2000 | 8465.94 |
| 26 | 1999 | 7856.71 |
| 27 | 1998 | 7796.79 |
| 28 | 1997 | 7102.91 |
| 29 | 1996 | 6419.66 |
| 30 | 1995 | 5967.19 |
| 31 | 1994 | 5615.09 |
| 32 | 1993 | 6050.59 |
| 33 | 1992 | 7021.98 |
| 34 | 1991 | 8709.66 |
| 35 | 1990 | 8946.89 |
