Jfrock has seen concerts during 34 years.

Year   Concerts Seen  
2018 2 concerts
2017 1 concert
2016 1 concert
2012 2 concerts
2011 1 concert
2010 1 concert
2009 3 concerts
2008 4 concerts
2007 4 concerts
2006 1 concert
2005 4 concerts
2004 4 concerts
2003 5 concerts
2002 6 concerts
2001 9 concerts
2000 8 concerts
1999 23 concerts
1998 3 concerts
1997 7 concerts
1996 4 concerts
1995 8 concerts
1994 10 concerts
1993 8 concerts
1992 6 concerts
1991 5 concerts
1990 7 concerts
1989 8 concerts
1988 8 concerts
1987 12 concerts
1986 7 concerts
1985 3 concerts
1984 1 concert
1983 4 concerts
1982 1 concert