Gerrit has seen concerts during 26 years.

Year   Concerts Seen  
2024 6 concerts
2023 13 concerts
2022 13 concerts
2021 2 concerts
2019 4 concerts
2018 3 concerts
2017 5 concerts
2016 6 concerts
2015 6 concerts
2014 4 concerts
2013 3 concerts
2012 1 concert
2011 1 concert
2009 2 concerts
2008 1 concert
2007 2 concerts
2006 4 concerts
2005 1 concert
2004 1 concert
2003 1 concert
2002 3 concerts
2001 5 concerts
2000 9 concerts
1999 3 concerts
1998 3 concerts
1997 2 concerts