| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 4945.63 |
| 8 | 2017 | 4690.18 |
| 9 | 2016 | 4530.65 |
| 10 | 2015 | 4403.64 |
| 11 | 2014 | 4074.21 |
| 12 | 2013 | 3619.02 |
| 13 | 2012 | 3290.72 |
| 14 | 2011 | 3175.92 |
| 15 | 2010 | 3360.54 |
| 16 | 2009 | 3176.63 |
| 17 | 2008 | 3115.84 |
| 18 | 2007 | 2984.53 |
| 19 | 2006 | 2941.82 |
| 20 | 2005 | 2841.82 |
| 21 | 2004 | 2794.17 |
| 22 | 2003 | 2701.74 |
| 23 | 2002 | 2851.03 |
| 24 | 2001 | 2961.76 |
| 25 | 2000 | 3040.58 |
| 26 | 1999 | 3064.80 |
| 27 | 1998 | 3086.13 |
| 28 | 1997 | 3039.52 |
| 29 | 1996 | 2831.80 |
| 30 | 1995 | 2683.32 |
| 31 | 1994 | 2550.99 |
| 32 | 1993 | 2576.99 |
| 33 | 1992 | 2624.52 |
| 34 | 1991 | 2677.07 |
| 35 | 1990 | 2693.36 |
