25defense has seen concerts during 38 years.

Year   Concerts Seen  
2025 58 concerts
2024 65 concerts
2023 55 concerts
2022 50 concerts
2021 26 concerts
2020 12 concerts
2019 95 concerts
2018 88 concerts
2017 80 concerts
2016 65 concerts
2015 68 concerts
2014 51 concerts
2013 33 concerts
2012 55 concerts
2011 15 concerts
2010 1 concert
2009 6 concerts
2008 6 concerts
2006 2 concerts
2005 6 concerts
2004 2 concerts
2003 2 concerts
2001 2 concerts
2000 3 concerts
1999 4 concerts
1998 4 concerts
1997 3 concerts
1996 39 concerts
1995 54 concerts
1994 97 concerts
1993 29 concerts
1992 5 concerts
1991 2 concerts
1990 1 concert
1989 4 concerts
1988 2 concerts
1987 5 concerts
1984 2 concerts