Angela S has seen concerts during 17 years.

Year   Concerts Seen  
2012 1 concert
1991 1 concert
1990 9 concerts
1989 11 concerts
1988 9 concerts
1987 3 concerts
1986 1 concert
1985 7 concerts
1984 2 concerts
1983 1 concert
1981 2 concerts
1980 1 concert
1979 1 concert
1977 5 concerts
1976 7 concerts
1975 3 concerts
1974 5 concerts