| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 9527.71 |
| 8 | 2017 | 9121.75 |
| 9 | 2016 | 9401.53 |
| 10 | 2015 | 9538.19 |
| 11 | 2014 | 9489.95 |
| 12 | 2013 | 9514.40 |
| 13 | 2012 | 9266.09 |
| 14 | 2011 | 9697.85 |
| 15 | 2010 | 9734.89 |
| 16 | 2009 | 9744.23 |
| 17 | 2008 | 9985.98 |
| 18 | 2007 | 10242.85 |
| 19 | 2006 | 9924.69 |
| 20 | 2005 | 9480.48 |
| 21 | 2004 | 9258.88 |
| 22 | 2003 | 8863.01 |
| 23 | 2002 | 8165.87 |
| 24 | 2001 | 7863.52 |
| 25 | 2000 | 7555.13 |
| 26 | 1999 | 6800.70 |
| 27 | 1998 | 6342.86 |
| 28 | 1997 | 6252.02 |
| 29 | 1996 | 6096.38 |
| 30 | 1995 | 6100.07 |
| 31 | 1994 | 6081.74 |
| 32 | 1993 | 6083.97 |
| 33 | 1992 | 5714.31 |
| 34 | 1991 | 5060.51 |
| 35 | 1990 | 4473.90 |
