Year   Concerts Seen  
2019 12 concerts
2018 15 concerts
2017 9 concerts
2016 12 concerts
2015 18 concerts
2014 16 concerts
2013 12 concerts
2012 19 concerts
2011 17 concerts
2010 14 concerts
2009 20 concerts
2008 17 concerts
2007 17 concerts
2006 12 concerts
2005 9 concerts
2004 6 concerts
2003 7 concerts
2002 7 concerts
2001 12 concerts
2000 12 concerts
1999 4 concerts
1998 10 concerts
1997 7 concerts
1996 4 concerts
1995 5 concerts
1994 2 concerts
1993 5 concerts
1991 2 concerts
1990 1 concert
1989 1 concert
1986 4 concerts
1985 1 concert
1984 2 concerts