| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | |
| 8 | 2017 | |
| 9 | 2016 | |
| 10 | 2015 | |
| 11 | 2014 | 25260.00 |
| 12 | 2013 | 24830.00 |
| 13 | 2012 | 23970.00 |
| 14 | 2011 | 23100.00 |
| 15 | 2010 | 23050.00 |
| 16 | 2009 | 24340.00 |
| 17 | 2008 | 26780.00 |
| 18 | 2007 | 22600.00 |
| 19 | 2006 | 23920.00 |
| 20 | 2005 | 19720.00 |
| 21 | 2004 | 23610.00 |
| 22 | 2003 | 21020.00 |
| 23 | 2002 | 19220.00 |
| 24 | 2001 | 20340.00 |
| 25 | 2000 | 20060.00 |
| 26 | 1999 | 17750.00 |
| 27 | 1998 | 17390.00 |
| 28 | 1997 | 17050.00 |
| 29 | 1996 | 16410.00 |
| 30 | 1995 | 16340.00 |
| 31 | 1994 | 15460.00 |
| 32 | 1993 | 14380.00 |
| 33 | 1992 | 13840.00 |
| 34 | 1991 | 12940.00 |
| 35 | 1990 | 12120.00 |
| 36 | 1989 | 11870.00 |
| 37 | 1988 | 10670.00 |
