| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 58819.26 |
| 8 | 2017 | 56037.57 |
| 9 | 2016 | 53162.28 |
| 10 | 2015 | 50970.35 |
| 11 | 2014 | 49751.31 |
| 12 | 2013 | 49622.05 |
| 13 | 2012 | 47653.34 |
| 14 | 2011 | 47004.14 |
| 15 | 2010 | 45306.31 |
| 16 | 2009 | 44935.75 |
| 17 | 2008 | 46714.35 |
| 18 | 2007 | 44205.04 |
| 19 | 2006 | 41216.88 |
| 20 | 2005 | 37778.49 |
| 21 | 2004 | 35965.55 |
| 22 | 2003 | 34290.76 |
| 23 | 2002 | 34568.46 |
| 24 | 2001 | 33262.98 |
| 25 | 2000 | 31887.85 |
| 26 | 1999 | 29316.26 |
| 27 | 1998 | 27746.99 |
| 28 | 1997 | 26055.52 |
| 29 | 1996 | 24554.95 |
| 30 | 1995 | 23464.76 |
| 31 | 1994 | 22398.68 |
| 32 | 1993 | 21428.48 |
| 33 | 1992 | 20816.94 |
| 34 | 1991 | 20163.56 |
| 35 | 1990 | 19190.23 |
