| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 32340.00 |
| 8 | 2017 | 30650.00 |
| 9 | 2016 | 34920.00 |
| 10 | 2015 | 41830.00 |
| 11 | 2014 | 51350.00 |
| 12 | 2013 | 53530.00 |
| 13 | 2012 | 50830.00 |
| 14 | 2011 | 44350.00 |
| 15 | 2010 | 42850.00 |
| 16 | 2009 | 45410.00 |
| 17 | 2008 | 51800.00 |
| 18 | 2007 | 47510.00 |
| 19 | 2006 | 42460.00 |
| 20 | 2005 | 35740.00 |
| 21 | 2004 | 29080.00 |
| 22 | 2003 | 23150.00 |
| 23 | 2002 | 19640.00 |
| 24 | 2001 | 19550.00 |
| 25 | 2000 | 18810.00 |
| 26 | 1999 | 17330.00 |
| 27 | 1998 | 19540.00 |
| 28 | 1997 | 20550.00 |
| 29 | 1996 | 19620.00 |
| 30 | 1995 | 19590.00 |
| 31 | 1994 | 18550.00 |
| 32 | 1993 | 18590.00 |
| 33 | 1992 | 16200.00 |
| 34 | 1991 | 12450.00 |
| 35 | 1990 | 16460.00 |
| 36 | 1989 | 16600.00 |
| 37 | 1988 | 13830.00 |
| 38 | 1987 | 14700.00 |
| 39 | 1986 | 15770.00 |
| 40 | 1985 | 13500.00 |
| 41 | 1984 | 15090.00 |
| 42 | 1983 | 15880.00 |
| 43 | 1982 | 17240.00 |
| 44 | 1981 | 19470.00 |
| 45 | 1980 | 17940.00 |
| 46 | 1979 | 17570.00 |
| 47 | 1978 | 13960.00 |
| 48 | 1977 | 12500.00 |
| 49 | 1976 | 13380.00 |
| 50 | 1975 | 9130.00 |
| 51 | 1974 | 5930.00 |
| 52 | 1973 | 4010.00 |
| 53 | 1972 | 3380.00 |
| 54 | 1971 | 3550.00 |
| 55 | 1970 | 3340.00 |
| 56 | 1969 | 3560.00 |
| 57 | 1968 | 3670.00 |
| 58 | 1967 | 3660.00 |
