| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 32258.26 |
| 8 | 2017 | 29728.01 |
| 9 | 2016 | 28178.95 |
| 10 | 2015 | 26944.96 |
| 11 | 2014 | 25796.21 |
| 12 | 2013 | 24591.64 |
| 13 | 2012 | 23205.31 |
| 14 | 2011 | 22992.22 |
| 15 | 2010 | 21693.40 |
| 16 | 2009 | 20680.67 |
| 17 | 2008 | 20708.76 |
| 18 | 2007 | 19089.99 |
| 19 | 2006 | 18365.92 |
| 20 | 2005 | 17091.28 |
| 21 | 2004 | 16252.83 |
| 22 | 2003 | 15461.93 |
| 23 | 2002 | 14532.31 |
| 24 | 2001 | 13224.14 |
| 25 | 2000 | 11869.13 |
| 26 | 1999 | 10892.49 |
| 27 | 1998 | 10414.60 |
| 28 | 1997 | 9844.13 |
| 29 | 1996 | 9384.08 |
| 30 | 1995 | 9216.10 |
| 31 | 1994 | 8881.96 |
| 32 | 1993 | 8435.75 |
| 33 | 1992 | 8278.72 |
| 34 | 1991 | 8346.86 |
| 35 | 1990 | 9163.03 |
