| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 18876.22 |
| 8 | 2017 | 17573.34 |
| 9 | 2016 | 16671.25 |
| 10 | 2015 | 15791.17 |
| 11 | 2014 | 15365.32 |
| 12 | 2013 | 15215.95 |
| 13 | 2012 | 14616.65 |
| 14 | 2011 | 13227.45 |
| 15 | 2010 | 12932.26 |
| 16 | 2009 | 11964.05 |
| 17 | 2008 | 12062.16 |
| 18 | 2007 | 11723.10 |
| 19 | 2006 | 10912.44 |
| 20 | 2005 | 10169.05 |
| 21 | 2004 | 9545.34 |
| 22 | 2003 | 8824.07 |
| 23 | 2002 | 8148.44 |
| 24 | 2001 | 7632.02 |
| 25 | 2000 | 7289.10 |
| 26 | 1999 | 6901.27 |
| 27 | 1998 | 6589.56 |
| 28 | 1997 | 7147.61 |
| 29 | 1996 | 7322.41 |
| 30 | 1995 | 6900.74 |
| 31 | 1994 | 6341.24 |
| 32 | 1993 | 5834.32 |
| 33 | 1992 | 5346.68 |
| 34 | 1991 | 4914.08 |
| 35 | 1990 | 4450.52 |
