Bill Mair has seen concerts during 13 years.

Year   Concerts Seen  
1978 6 concerts
1977 2 concerts
1976 3 concerts
1975 7 concerts
1974 4 concerts
1973 3 concerts
1972 2 concerts
1971 6 concerts
1969 1 concert
1968 1 concert
1967 1 concert
1966 2 concerts
1965 1 concert