| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 6229.07 |
| 8 | 2016 | 5920.16 |
| 9 | 2015 | 5471.80 |
| 10 | 2014 | 5335.92 |
| 11 | 2013 | 5119.69 |
| 12 | 2012 | 4996.44 |
| 13 | 2011 | 4855.43 |
| 14 | 2010 | 4465.46 |
| 15 | 2009 | 4383.81 |
| 16 | 2008 | 4600.35 |
| 17 | 2007 | 4315.94 |
| 18 | 2006 | 4327.45 |
| 19 | 2005 | 4314.55 |
| 20 | 2004 | 4235.12 |
| 21 | 2003 | 4231.45 |
| 22 | 2002 | 4170.94 |
| 23 | 2001 | 3955.23 |
| 24 | 2000 | 3833.93 |
| 25 | 1999 | 3635.70 |
| 26 | 1998 | 3527.03 |
| 27 | 1997 | 3433.84 |
| 28 | 1996 | 3409.54 |
| 29 | 1995 | 3346.80 |
| 30 | 1994 | 3087.69 |
| 31 | 1993 | 2882.30 |
| 32 | 1992 | 2716.30 |
| 33 | 1991 | 2652.48 |
| 34 | 1990 | 2415.76 |
