Bertq has seen concerts during 42 years.

Year   Concerts Seen  
2019 4 concerts
2018 2 concerts
2017 3 concerts
2016 3 concerts
2014 3 concerts
2013 5 concerts
2012 2 concerts
2011 4 concerts
2010 6 concerts
2009 6 concerts
2008 8 concerts
2007 6 concerts
2006 6 concerts
2005 4 concerts
2004 1 concert
2003 4 concerts
2002 5 concerts
2001 5 concerts
2000 1 concert
1999 2 concerts
1998 3 concerts
1997 5 concerts
1996 6 concerts
1995 4 concerts
1994 3 concerts
1993 2 concerts
1992 3 concerts
1991 3 concerts
1990 5 concerts
1989 6 concerts
1988 11 concerts
1987 14 concerts
1986 9 concerts
1985 18 concerts
1984 12 concerts
1983 16 concerts
1982 12 concerts
1981 7 concerts
1980 11 concerts
1979 4 concerts
1978 3 concerts
1976 1 concert