Matthew Petz has seen concerts during 28 years.

Year   Concerts Seen  
2023 1 concert
2022 4 concerts
2020 1 concert
2019 2 concerts
2018 4 concerts
2017 4 concerts
2016 2 concerts
2015 3 concerts
2013 3 concerts
2011 2 concerts
2010 3 concerts
2009 2 concerts
2008 1 concert
2007 2 concerts
2006 1 concert
2005 4 concerts
2004 2 concerts
2003 8 concerts
2002 2 concerts
2001 5 concerts
2000 1 concert
1999 4 concerts
1998 3 concerts
1997 7 concerts
1996 6 concerts
1995 9 concerts
1994 7 concerts
1993 3 concerts