25defense has seen concerts during 32 years.

Year   Concerts Seen  
2022 4 concerts
2021 19 concerts
2019 172 concerts
2018 225 concerts
2017 220 concerts
2016 227 concerts
2015 221 concerts
2014 218 concerts
2013 66 concerts
2012 24 concerts
2011 16 concerts
2010 18 concerts
2009 8 concerts
2008 9 concerts
2007 3 concerts
2006 4 concerts
2005 4 concerts
2004 7 concerts
2003 3 concerts
2002 3 concerts
2001 12 concerts
2000 12 concerts
1999 9 concerts
1998 10 concerts
1997 8 concerts
1996 31 concerts
1995 44 concerts
1994 69 concerts
1993 24 concerts
1992 8 concerts
1991 5 concerts
1990 2 concerts