| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | |
| 8 | 2017 | |
| 9 | 2016 | |
| 10 | 2015 | |
| 11 | 2014 | 39555.41 |
| 12 | 2013 | 39402.03 |
| 13 | 2012 | 37605.97 |
| 14 | 2011 | 36214.44 |
| 15 | 2010 | 35335.37 |
| 16 | 2009 | 33547.28 |
| 17 | 2008 | 35273.79 |
| 18 | 2007 | 35015.99 |
| 19 | 2006 | 33634.63 |
| 20 | 2005 | 32169.87 |
| 21 | 2004 | 30830.66 |
| 22 | 2003 | 29392.25 |
| 23 | 2002 | 28623.59 |
| 24 | 2001 | 27942.35 |
| 25 | 2000 | 27287.27 |
| 26 | 1999 | 25735.97 |
| 27 | 1998 | 25509.90 |
| 28 | 1997 | 25620.07 |
| 29 | 1996 | 25000.53 |
| 30 | 1995 | 23859.07 |
| 31 | 1994 | 22823.44 |
| 32 | 1993 | 22168.56 |
| 33 | 1992 | 21825.80 |
| 34 | 1991 | 21227.68 |
| 35 | 1990 | 19912.52 |
