Year   Concerts Seen  
2022 4 concerts
2019 23 concerts
2018 20 concerts
2017 21 concerts
2016 9 concerts
2015 5 concerts
2014 4 concerts
2013 1 concert
2012 1 concert
2011 2 concerts
2010 7 concerts
2009 7 concerts
2008 12 concerts
2007 35 concerts
2006 19 concerts
2005 15 concerts
2004 10 concerts
2003 14 concerts
2002 6 concerts
2001 6 concerts
2000 7 concerts
1999 5 concerts
1998 5 concerts
1997 16 concerts
1996 11 concerts
1995 17 concerts
1994 15 concerts
1993 7 concerts
1992 9 concerts
1991 18 concerts
1990 15 concerts
1989 4 concerts
1988 2 concerts
1987 1 concert
1986 5 concerts
1985 4 concerts
1983 1 concert
1981 1 concert
1971 1 concert