| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 53529.28 |
| 8 | 2016 | 52094.24 |
| 9 | 2015 | 50235.82 |
| 10 | 2014 | 49175.27 |
| 11 | 2013 | 47874.18 |
| 12 | 2012 | 47591.98 |
| 13 | 2011 | 46591.49 |
| 14 | 2010 | 44580.24 |
| 15 | 2009 | 43477.43 |
| 16 | 2008 | 42526.69 |
| 17 | 2007 | 41420.41 |
| 18 | 2006 | 39281.81 |
| 19 | 2005 | 37877.36 |
| 20 | 2004 | 37380.18 |
| 21 | 2003 | 35150.14 |
| 22 | 2002 | 34793.41 |
| 23 | 2001 | 35346.15 |
| 24 | 2000 | 33774.39 |
| 25 | 1999 | 31558.16 |
| 26 | 1998 | 31147.53 |
| 27 | 1997 | 29784.72 |
| 28 | 1996 | 28663.05 |
| 29 | 1995 | 27556.66 |
| 30 | 1994 | 26774.77 |
| 31 | 1993 | 26225.64 |
| 32 | 1992 | 25372.77 |
| 33 | 1991 | 24274.42 |
