Coop15 has seen concerts during 35 years.

Year   Concerts Seen  
2024 10 concerts
2023 5 concerts
2022 3 concerts
2021 1 concert
2020 1 concert
2019 5 concerts
2017 1 concert
2009 1 concert
2007 1 concert
2005 1 concert
2004 1 concert
1997 2 concerts
1996 2 concerts
1994 2 concerts
1993 1 concert
1992 5 concerts
1991 4 concerts
1990 3 concerts
1989 11 concerts
1988 10 concerts
1987 4 concerts
1986 13 concerts
1985 2 concerts
1984 2 concerts
1983 2 concerts
1982 2 concerts
1981 5 concerts
1980 3 concerts
1979 4 concerts
1978 6 concerts
1977 4 concerts
1976 4 concerts
1975 3 concerts
1974 1 concert
1973 2 concerts