| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 16888.02 |
| 12 | 2012 | 16336.69 |
| 13 | 2011 | 16244.00 |
| 14 | 2010 | 16040.15 |
| 15 | 2009 | 15827.75 |
| 16 | 2008 | 16359.86 |
| 17 | 2007 | 16423.35 |
| 18 | 2006 | 16876.60 |
| 19 | 2005 | 16941.84 |
| 20 | 2004 | 16816.76 |
| 21 | 2003 | 16348.18 |
| 22 | 2002 | 16325.06 |
| 23 | 2001 | 16235.17 |
| 24 | 2000 | 16365.78 |
| 25 | 1999 | 17083.39 |
| 26 | 1998 | 16394.56 |
| 27 | 1997 | 16516.89 |
| 28 | 1996 | 17077.63 |
| 29 | 1995 | 16665.15 |
| 30 | 1994 | 16299.86 |
| 31 | 1993 | 15774.24 |
| 32 | 1992 | 15653.77 |
| 33 | 1991 | 15008.61 |
