| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 57993.44 |
| 8 | 2016 | 59037.22 |
| 9 | 2015 | 57104.04 |
| 10 | 2014 | 56237.84 |
| 11 | 2013 | 56593.01 |
| 12 | 2012 | 56938.36 |
| 13 | 2011 | 56070.37 |
| 14 | 2010 | 53009.86 |
| 15 | 2009 | 50198.73 |
| 16 | 2008 | 50145.02 |
| 17 | 2007 | 48644.14 |
| 18 | 2006 | 47518.73 |
| 19 | 2005 | 46242.63 |
| 20 | 2004 | 43222.85 |
| 21 | 2003 | 41759.45 |
| 22 | 2002 | 40930.73 |
| 23 | 2001 | 38461.40 |
| 24 | 2000 | 35709.87 |
| 25 | 1999 | 32728.69 |
| 26 | 1998 | 34365.79 |
| 27 | 1997 | 33109.14 |
| 28 | 1996 | 37396.82 |
| 29 | 1995 | 34453.22 |
| 30 | 1994 | 33670.45 |
| 31 | 1993 | 34051.44 |
| 32 | 1992 | 33526.22 |
| 33 | 1991 | 34426.77 |
