Year   Concerts Seen  
2015 3 concerts
2014 4 concerts
2013 6 concerts
2012 2 concerts
2011 2 concerts
2010 3 concerts
2009 2 concerts
2008 2 concerts
2007 4 concerts
2006 9 concerts
2005 10 concerts
2004 9 concerts
2003 4 concerts
2002 1 concert
2001 4 concerts
2000 5 concerts
1999 2 concerts
1998 3 concerts
1997 8 concerts
1996 3 concerts
1995 1 concert
1994 6 concerts
1993 1 concert
1992 5 concerts
1991 3 concerts
1990 7 concerts
1989 7 concerts
1988 3 concerts
1987 5 concerts
1986 3 concerts
1985 2 concerts
1984 1 concert