Year   Concerts Seen  
2019 3 concerts
2018 7 concerts
2017 4 concerts
2016 5 concerts
2015 4 concerts
2014 3 concerts
2013 7 concerts
2012 10 concerts
2011 11 concerts
2010 8 concerts
2009 4 concerts
2007 3 concerts
2005 3 concerts
2004 1 concert
2003 2 concerts
2001 1 concert
2000 1 concert
1999 2 concerts
1998 6 concerts
1997 4 concerts
1996 7 concerts
1995 5 concerts
1994 5 concerts
1993 4 concerts
1992 2 concerts
1991 1 concert
1990 2 concerts
1989 1 concert
1988 5 concerts
1987 1 concert