member (blue), Non-member (red), Student members (yellow ), student non-member (green)
1954
$15
1955
1956
1957
35
1958
1959
1960
1961
15
20
1962
10
20
1963
10
20
1964
10
20
1965
10
20
1966
12
20
2
1967
1968
15
30
2
1969
1970
1971
60
5
1972
38
58
5
1973
30
50
5
1974
40
60
5
1975
1976
45
65
5
1977
1978
1979
50
70
5
1980
65
90
10
1981
75
105
5
1982
1983
90
130
5
1984
90
140
1985
140
190
15
1986
240
240
10
1987
175
225
10
1988
175
225
10
1989
185
235
10
1990
215
265
10
1991
210
270
20
30
1992
1993
220
280
20
30
1994
235
295
25
35
1995
260
335
30
40
1996
290
365
45
55
1997
305
385
45
55
1998
305
385
45
55
1999
335
425
45
55
2000
350
440
45
55
2001
385
475
45
55
2002
450
550
65
75