| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 13604.38 |
| 8 | 2016 | 12881.36 |
| 9 | 2015 | 12416.55 |
| 10 | 2014 | 12062.45 |
| 11 | 2013 | 11643.27 |
| 12 | 2012 | 11166.49 |
| 13 | 2011 | 10697.77 |
| 14 | 2010 | 10266.48 |
| 15 | 2009 | 9946.20 |
| 16 | 2008 | 9811.30 |
| 17 | 2007 | 9242.37 |
| 18 | 2006 | 8728.62 |
| 19 | 2005 | 8335.38 |
| 20 | 2004 | 7998.00 |
| 21 | 2003 | 7558.43 |
| 22 | 2002 | 7067.01 |
| 23 | 2001 | 6626.64 |
| 24 | 2000 | 6282.75 |
| 25 | 1999 | 5988.73 |
| 26 | 1998 | 5967.52 |
| 27 | 1997 | 5597.42 |
| 28 | 1996 | 5583.76 |
| 29 | 1995 | 6606.12 |
| 30 | 1994 | 7545.75 |
| 31 | 1993 | 9407.39 |
| 32 | 1992 | 10794.30 |
| 33 | 1991 | 15328.54 |
