| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 16176.18 |
| 8 | 2015 | 21709.83 |
| 9 | 2014 | 27508.04 |
| 10 | 2013 | 6935.28 |
| 11 | 2012 | 6559.05 |
| 12 | 2011 | 2682.40 |
| 13 | 2010 | 259519.52 |
| 14 | 2009 | 34681.06 |
| 15 | 2008 | 36382129.85 |
| 16 | 2007 | 13143.39 |
| 17 | 2006 | 2658.18 |
| 18 | 2005 | 3144.99 |
| 19 | 2004 | 39939.98 |
| 20 | 2003 | 37674.75 |
| 21 | 2002 | 142304.91 |
| 22 | 2001 | 162617.10 |
| 23 | 2000 | 201734.10 |
| 24 | 1999 | 212783.92 |
| 25 | 1998 | 235154.34 |
| 26 | 1997 | 238717.26 |
| 27 | 1996 | 227941.48 |
| 28 | 1995 | 302722.43 |
| 29 | 1994 | 292891.88 |
| 30 | 1993 | 312142.19 |
| 31 | 1992 | 210377.64 |
| 32 | 1991 | 108643.89 |
| 33 | 1990 | 38650.02 |
| 34 | 1988 | 87971.35 |
