Pulp

1970				#1 Fall
1971		#2 Spring	#3 Summer
1972		#4 Spring
1973	#5 Winter	#5½ Jul
1974			#6 Summer
1975		#7 Spring
1976		#8 Spring	#9 Summer
1977
1978	#10 Winter		#11 Fall
1979
1980			#12 Summer
1981				#13 Fall