Troy Deer has seen concerts during 23 years.

Year   Concerts Seen  
2023 1 concert
2021 1 concert
2019 1 concert
2013 1 concert
2007 1 concert
2006 1 concert
2005 2 concerts
2004 4 concerts
2003 2 concerts
2002 3 concerts
2001 5 concerts
2000 3 concerts
1999 1 concert
1997 6 concerts
1996 4 concerts
1995 1 concert
1994 8 concerts
1993 2 concerts
1992 2 concerts
1991 1 concert
1990 2 concerts
1988 1 concert
1987 1 concert