| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 63553.13 |
| 12 | 2012 | 62880.77 |
| 13 | 2011 | 62252.79 |
| 14 | 2010 | 58292.19 |
| 15 | 2009 | 60676.03 |
| 16 | 2008 | 62855.92 |
| 17 | 2007 | 56656.91 |
| 18 | 2006 | 52388.53 |
| 19 | 2005 | 49173.57 |
| 20 | 2004 | 45766.00 |
| 21 | 2003 | 40881.37 |
| 22 | 2002 | 39162.17 |
| 23 | 2001 | 32959.36 |
| 24 | 2000 | 30635.25 |
| 25 | 1999 | 29546.78 |
| 26 | 1998 | 29476.98 |
| 27 | 1997 | 29700.97 |
| 28 | 1996 | 32284.16 |
| 29 | 1995 | 30500.82 |
| 30 | 1994 | 28809.07 |
| 31 | 1993 | 27835.56 |
| 32 | 1992 | 27568.59 |
| 33 | 1991 | 30315.53 |
