| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 27570.00 |
| 8 | 2017 | 25020.00 |
| 9 | 2016 | 24840.00 |
| 10 | 2015 | 26090.00 |
| 11 | 2014 | 26590.00 |
| 12 | 2013 | 27860.00 |
| 13 | 2012 | 29760.00 |
| 14 | 2011 | 32680.00 |
| 15 | 2010 | 32170.00 |
| 16 | 2009 | 32820.00 |
| 17 | 2008 | 31970.00 |
| 18 | 2007 | 27340.00 |
| 19 | 2006 | 25600.00 |
| 20 | 2005 | 23990.00 |
| 21 | 2004 | 20260.00 |
| 22 | 2003 | 16710.00 |
| 23 | 2002 | 14510.00 |
| 24 | 2001 | 14170.00 |
| 25 | 2000 | 14180.00 |
| 26 | 1999 | 14340.00 |
| 27 | 1998 | 15490.00 |
| 28 | 1997 | 14280.00 |
| 29 | 1996 | 13880.00 |
| 30 | 1995 | 12810.00 |
| 31 | 1994 | 11680.00 |
| 32 | 1993 | 10970.00 |
| 33 | 1992 | 11020.00 |
| 34 | 1991 | 9460.00 |
| 35 | 1990 | 9300.00 |
| 36 | 1989 | 8570.00 |
| 37 | 1988 | 7910.00 |
| 38 | 1987 | 6300.00 |
| 39 | 1986 | 5020.00 |
| 40 | 1985 | 4480.00 |
| 41 | 1984 | 4360.00 |
| 42 | 1983 | 4220.00 |
| 43 | 1982 | 4490.00 |
| 44 | 1981 | 4050.00 |
| 45 | 1980 | 3390.00 |
| 46 | 1979 | 2400.00 |
| 47 | 1978 | 1800.00 |
| 48 | 1977 | 1520.00 |
