| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 7143.92 |
| 8 | 2016 | 7224.70 |
| 9 | 2015 | 7180.64 |
| 10 | 2014 | 7074.36 |
| 11 | 2013 | 6942.97 |
| 12 | 2012 | 7051.33 |
| 13 | 2011 | 7020.79 |
| 14 | 2010 | 6645.26 |
| 15 | 2009 | 6502.49 |
| 16 | 2008 | 6254.43 |
| 17 | 2007 | 5922.42 |
| 18 | 2006 | 5616.10 |
| 19 | 2005 | 5208.15 |
| 20 | 2004 | 5086.42 |
| 21 | 2003 | 4953.54 |
| 22 | 2002 | 4800.75 |
| 23 | 2001 | 4557.40 |
| 24 | 2000 | 4463.21 |
| 25 | 1999 | 4456.28 |
| 26 | 1998 | 4253.45 |
| 27 | 1997 | 4149.64 |
| 28 | 1996 | 4041.46 |
| 29 | 1995 | 3778.61 |
| 30 | 1994 | 3463.97 |
| 31 | 1993 | 3355.85 |
| 32 | 1992 | 3202.13 |
| 33 | 1991 | 3193.96 |
