| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | |
| 8 | 2015 | |
| 9 | 2014 | |
| 10 | 2013 | |
| 11 | 2012 | 4728.00 |
| 12 | 2011 | 5098.00 |
| 13 | 2010 | 4577.00 |
| 14 | 2009 | 4584.00 |
| 15 | 2008 | 4841.00 |
| 16 | 2007 | 4079.00 |
| 17 | 2006 | 3362.00 |
| 18 | 2005 | 3072.00 |
| 19 | 2004 | 2795.00 |
| 20 | 2003 | 2440.00 |
| 21 | 2002 | 1989.00 |
| 22 | 2001 | 1823.00 |
| 23 | 2000 | 1861.00 |
| 24 | 1999 | 1915.00 |
| 25 | 1998 | 1875.00 |
| 26 | 1997 | 1959.00 |
| 27 | 1996 | 2327.00 |
| 28 | 1995 | 2372.00 |
| 29 | 1994 | 1795.00 |
| 30 | 1993 | 1343.00 |
| 31 | 1992 | 1207.00 |
| 32 | 1991 | 2424.00 |
| 33 | 1990 | 2299.00 |
