| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 21930.00 |
| 8 | 2017 | 20420.00 |
| 9 | 2016 | 19640.00 |
| 10 | 2015 | 18670.00 |
| 11 | 2014 | 18850.00 |
| 12 | 2013 | 18460.00 |
| 13 | 2012 | 17010.00 |
| 14 | 2011 | 16760.00 |
| 15 | 2010 | 15970.00 |
| 16 | 2009 | 15840.00 |
| 17 | 2008 | 15980.00 |
| 18 | 2007 | 13350.00 |
| 19 | 2006 | 12650.00 |
| 20 | 2005 | 11750.00 |
| 21 | 2004 | 10390.00 |
| 22 | 2003 | 9190.00 |
| 23 | 2002 | 9190.00 |
| 24 | 2001 | 9200.00 |
| 25 | 2000 | 8890.00 |
| 26 | 1999 | 8100.00 |
| 27 | 1998 | 7690.00 |
| 28 | 1997 | 7980.00 |
| 29 | 1996 | 7620.00 |
| 30 | 1995 | 7260.00 |
| 31 | 1994 | 6680.00 |
| 32 | 1993 | 6180.00 |
| 33 | 1992 | 5710.00 |
| 34 | 1991 | 5260.00 |
| 35 | 1990 | 5200.00 |
| 36 | 1989 | 4610.00 |
| 37 | 1988 | 4350.00 |
| 38 | 1987 | 3660.00 |
| 39 | 1986 | 3060.00 |
| 40 | 1985 | 2510.00 |
| 41 | 1984 | 2240.00 |
| 42 | 1983 | 2020.00 |
| 43 | 1982 | 1950.00 |
| 44 | 1981 | 1860.00 |
| 45 | 1980 | 1680.00 |
| 46 | 1979 | 1390.00 |
