Der Heizer has seen concerts during 38 years.

Year   Concerts Seen  
2024 12 concerts
2023 6 concerts
2022 8 concerts
2021 1 concert
2019 3 concerts
2018 1 concert
2017 2 concerts
2016 6 concerts
2015 3 concerts
2013 1 concert
2009 5 concerts
2008 5 concerts
2007 2 concerts
2006 7 concerts
2003 1 concert
2002 1 concert
2000 3 concerts
1999 3 concerts
1998 7 concerts
1997 4 concerts
1996 2 concerts
1995 2 concerts
1994 2 concerts
1993 9 concerts
1992 5 concerts
1991 4 concerts
1990 3 concerts
1989 8 concerts
1988 5 concerts
1987 8 concerts
1986 2 concerts
1985 2 concerts
1984 1 concert
1983 3 concerts
1982 7 concerts
1981 2 concerts
1980 1 concert
1979 3 concerts