| 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 | 48355.50 |
| 12 | 2013 | 47519.85 |
| 13 | 2012 | 46156.48 |
| 14 | 2011 | 44171.56 |
| 15 | 2010 | 41740.11 |
| 16 | 2009 | 40665.50 |
| 17 | 2008 | 41046.79 |
| 18 | 2007 | 39193.82 |
| 19 | 2006 | 37396.04 |
| 20 | 2005 | 34776.67 |
| 21 | 2004 | 33523.02 |
| 22 | 2003 | 31962.93 |
| 23 | 2002 | 30952.17 |
| 24 | 2001 | 29556.40 |
| 25 | 2000 | 29214.74 |
| 26 | 1999 | 27500.08 |
| 27 | 1998 | 26529.18 |
| 28 | 1997 | 25294.72 |
| 29 | 1996 | 24417.66 |
| 30 | 1995 | 23588.46 |
| 31 | 1994 | 22538.07 |
| 32 | 1993 | 21632.32 |
| 33 | 1992 | 21194.76 |
| 34 | 1991 | 20522.19 |
| 35 | 1990 | 19382.97 |
