| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 53122.44 |
| 8 | 2017 | 51474.12 |
| 9 | 2016 | 50289.77 |
| 10 | 2015 | 48785.16 |
| 11 | 2014 | 46841.40 |
| 12 | 2013 | 46098.23 |
| 13 | 2012 | 45206.99 |
| 14 | 2011 | 44332.52 |
| 15 | 2010 | 41956.13 |
| 16 | 2009 | 40073.15 |
| 17 | 2008 | 41906.70 |
| 18 | 2007 | 40814.29 |
| 19 | 2006 | 37679.72 |
| 20 | 2005 | 34198.39 |
| 21 | 2004 | 33809.39 |
| 22 | 2003 | 31791.58 |
| 23 | 2002 | 30987.27 |
| 24 | 2001 | 29949.22 |
| 25 | 2000 | 29629.90 |
| 26 | 1999 | 27496.44 |
| 27 | 1998 | 25895.35 |
| 28 | 1997 | 24811.03 |
| 29 | 1996 | 23942.85 |
| 30 | 1995 | 23068.86 |
| 31 | 1994 | 21842.94 |
| 32 | 1993 | 20724.56 |
| 33 | 1992 | 20792.10 |
| 34 | 1991 | 20688.10 |
| 35 | 1990 | 20381.81 |
