Martijn has seen concerts during 35 years.

Year   Concerts Seen  
2024 11 concerts
2023 36 concerts
2022 39 concerts
2021 8 concerts
2020 3 concerts
2019 41 concerts
2018 33 concerts
2017 27 concerts
2016 24 concerts
2015 20 concerts
2014 14 concerts
2013 15 concerts
2012 15 concerts
2011 11 concerts
2010 13 concerts
2009 16 concerts
2008 14 concerts
2007 11 concerts
2006 9 concerts
2005 11 concerts
2004 8 concerts
2003 6 concerts
2002 1 concert
2001 2 concerts
2000 3 concerts
1999 8 concerts
1998 4 concerts
1997 4 concerts
1996 3 concerts
1995 5 concerts
1994 2 concerts
1993 3 concerts
1992 2 concerts
1991 1 concert
1990 1 concert