Mark Knochen has seen concerts during 35 years.

Year  
Concerts Seen  
2025 1 concert
2024 4 concerts
2023 4 concerts
2022 8 concerts
2020 1 concert
2019 9 concerts
2018 8 concerts
2017 10 concerts
2016 6 concerts
2015 2 concerts
2014 2 concerts
2013 8 concerts
2012 5 concerts
2011 1 concert
2010 3 concerts
2009 4 concerts
2007 1 concert
2006 3 concerts
2004 1 concert
2003 2 concerts
2002 2 concerts
2001 4 concerts
1999 1 concert
1996 2 concerts
1995 2 concerts
1994 4 concerts
1993 6 concerts
1992 11 concerts
1991 14 concerts
1990 11 concerts
1989 13 concerts
1988 14 concerts
1987 4 concerts
1986 1 concert
1985 1 concert