| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 25305.09 |
| 8 | 2017 | 24295.22 |
| 9 | 2016 | 23256.50 |
| 10 | 2015 | 22457.88 |
| 11 | 2014 | 22553.62 |
| 12 | 2013 | 22201.07 |
| 13 | 2012 | 21366.18 |
| 14 | 2011 | 20121.68 |
| 15 | 2010 | 17917.90 |
| 16 | 2009 | 15951.33 |
| 17 | 2008 | 16375.96 |
| 18 | 2007 | 16697.52 |
| 19 | 2006 | 15510.77 |
| 20 | 2005 | 12550.43 |
| 21 | 2004 | 11612.40 |
| 22 | 2003 | 10708.82 |
| 23 | 2002 | 10133.40 |
| 24 | 2001 | 9775.55 |
| 25 | 2000 | 9375.59 |
| 26 | 1999 | 8838.76 |
| 27 | 1998 | 8850.49 |
| 28 | 1997 | 8510.67 |
| 29 | 1996 | 7895.44 |
| 30 | 1995 | 7231.79 |
| 31 | 1994 | 6475.71 |
| 32 | 1993 | 6060.95 |
| 33 | 1992 | 5563.31 |
| 34 | 1991 | 4885.63 |
| 35 | 1990 | 4444.57 |
