| 序号 |
时间(年) |
数据(单位：美元) |
| 1 |
2018 |
|
| 2 |
2017 |
|
| 3 |
2016 |
|
| 4 |
2015 |
|
| 5 |
2014 |
|
| 6 |
2013 |
|
| 7 |
2012 |
21035.00 |
| 8 |
2011 |
20690.00 |
| 9 |
2010 |
19175.00 |
| 10 |
2009 |
16901.00 |
| 11 |
2008 |
17833.00 |
| 12 |
2007 |
17596.00 |
| 13 |
2006 |
16911.00 |
| 14 |
2005 |
16449.00 |
| 15 |
2004 |
15503.00 |
| 16 |
2003 |
14197.00 |
| 17 |
2002 |
13716.00 |
| 18 |
2001 |
13401.00 |
| 19 |
2000 |
14906.00 |
| 20 |
1999 |
13712.00 |
| 21 |
1998 |
12692.00 |
| 22 |
1997 |
13955.00 |
| 23 |
1996 |
13614.00 |
| 24 |
1995 |
13115.00 |
| 25 |
1994 |
12175.00 |
| 26 |
1993 |
11285.00 |
| 27 |
1992 |
10856.00 |
| 28 |
1991 |
9263.00 |
| 29 |
1990 |
8339.00 |
| 30 |
1989 |
7748.00 |
| 31 |
1988 |
6318.00 |
| 32 |
1987 |
5383.00 |
| 33 |
1986 |
4112.00 |
| 34 |
1985 |
3352.00 |
| 35 |
1984 |
3259.00 |
| 36 |
1983 |
2906.00 |
| 37 |
1982 |
2702.00 |
| 38 |
1981 |
2715.00 |
| 39 |
1980 |
2381.00 |
| 40 |
1979 |
1944.00 |
| 41 |
1978 |
1595.00 |
| 42 |
1977 |
1315.00 |
| 43 |
1976 |
1143.00 |
| 44 |
1975 |
973.00 |
| 45 |
1974 |
927.00 |
| 46 |
1973 |
700.00 |
| 47 |
1972 |
525.00 |
| 48 |
1971 |
447.00 |
| 49 |
1970 |
393.00 |
| 50 |
1969 |
353.00 |
| 51 |
1968 |
316.00 |
| 52 |
1967 |
278.00 |
| 53 |
1966 |
248.00 |
| 54 |
1965 |
228.00 |
| 55 |
1964 |
213.00 |
| 56 |
1963 |
188.00 |
| 57 |
1962 |
172.00 |
| 58 |
1961 |
162.00 |
| 59 |
1960 |
164.00 |
| 60 |
1959 |
141.00 |
| 61 |
1958 |
186.00 |
| 62 |
1957 |
173.00 |
| 63 |
1956 |
153.00 |
| 64 |
1955 |
220.00 |
| 65 |
1954 |
192.00 |
| 66 |
1953 |
181.00 |
| 67 |
1952 |
213.00 |
| 68 |
1951 |
158.00 |
