| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 3196.97 |
| 8 | 2017 | 3339.39 |
| 9 | 2016 | 3253.47 |
| 10 | 2015 | 3025.83 |
| 11 | 2014 | 3075.74 |
| 12 | 2013 | 3042.50 |
| 13 | 2012 | 2830.19 |
| 14 | 2011 | 2858.20 |
| 15 | 2010 | 2694.91 |
| 16 | 2009 | 2855.16 |
| 17 | 2008 | 2724.46 |
| 18 | 2007 | 2647.50 |
| 19 | 2006 | 2503.66 |
| 20 | 2005 | 2427.45 |
| 21 | 2004 | 2322.20 |
| 22 | 2003 | 2330.92 |
| 23 | 2002 | 2247.98 |
| 24 | 2001 | 2229.84 |
| 25 | 2000 | 2228.50 |
| 26 | 1999 | 2200.59 |
| 27 | 1998 | 2152.00 |
| 28 | 1997 | 2121.85 |
| 29 | 1996 | 2069.61 |
| 30 | 1995 | 1989.02 |
| 31 | 1994 | 1806.82 |
| 32 | 1993 | 2048.24 |
| 33 | 1992 | 2157.60 |
| 34 | 1991 | 2272.76 |
| 35 | 1990 | 2202.23 |
