| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 47212.20 |
| 8 | 2017 | 46113.02 |
| 9 | 2016 | 44085.20 |
| 10 | 2015 | 42526.70 |
| 11 | 2014 | 41266.82 |
| 12 | 2013 | 39947.54 |
| 13 | 2012 | 38336.60 |
| 14 | 2011 | 37224.38 |
| 15 | 2010 | 36487.67 |
| 16 | 2009 | 35023.33 |
| 17 | 2008 | 36744.79 |
| 18 | 2007 | 35523.31 |
| 19 | 2006 | 34734.82 |
| 20 | 2005 | 32726.13 |
| 21 | 2004 | 32055.47 |
| 22 | 2003 | 30317.52 |
| 23 | 2002 | 29089.05 |
| 24 | 2001 | 27915.53 |
| 25 | 2000 | 26529.85 |
| 26 | 1999 | 24493.50 |
| 27 | 1998 | 23687.69 |
| 28 | 1997 | 23065.19 |
| 29 | 1996 | 21938.45 |
| 30 | 1995 | 20581.04 |
| 31 | 1994 | 19712.68 |
| 32 | 1993 | 18633.08 |
| 33 | 1992 | 17802.11 |
| 34 | 1991 | 17382.85 |
| 35 | 1990 | 17054.44 |
