| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 17460.00 |
| 8 | 2017 | 15860.00 |
| 9 | 2016 | 15080.00 |
| 10 | 2015 | 14550.00 |
| 11 | 2014 | 14830.00 |
| 12 | 2013 | 14500.00 |
| 13 | 2012 | 14530.00 |
| 14 | 2011 | 14100.00 |
| 15 | 2010 | 14390.00 |
| 16 | 2009 | 15750.00 |
| 17 | 2008 | 17750.00 |
| 18 | 2007 | 17310.00 |
| 19 | 2006 | 15740.00 |
| 20 | 2005 | 14050.00 |
| 21 | 2004 | 12850.00 |
| 22 | 2003 | 11680.00 |
| 23 | 2002 | 10710.00 |
| 24 | 2001 | 10610.00 |
| 25 | 2000 | 11200.00 |
| 26 | 1999 | 10590.00 |
| 27 | 1998 | 10130.00 |
| 28 | 1997 | 9850.00 |
| 29 | 1996 | 9380.00 |
| 30 | 1995 | 8730.00 |
| 31 | 1994 | 9000.00 |
| 32 | 1993 | 8410.00 |
| 33 | 1992 | 7850.00 |
| 34 | 1991 | 7550.00 |
| 35 | 1990 | 7040.00 |
| 36 | 1989 | 6550.00 |
| 37 | 1988 | 6050.00 |
| 38 | 1987 | 4840.00 |
| 39 | 1986 | 3910.00 |
| 40 | 1985 | 3520.00 |
| 41 | 1984 | 3070.00 |
| 42 | 1983 | 2600.00 |
| 43 | 1982 | 2380.00 |
| 44 | 1981 | 2340.00 |
| 45 | 1980 | 2100.00 |
| 46 | 1979 | 1680.00 |
