Year   Concerts Seen  
2020 1 concert
2019 2 concerts
2018 6 concerts
2017 2 concerts
2016 3 concerts
2015 5 concerts
2014 2 concerts
2013 1 concert
2012 3 concerts
2011 1 concert
2010 5 concerts
2009 3 concerts
2008 2 concerts
2007 6 concerts
2006 6 concerts
2005 4 concerts
2004 4 concerts
2003 4 concerts
2002 2 concerts
2001 6 concerts
2000 7 concerts
1999 4 concerts
1997 5 concerts
1996 8 concerts
1995 8 concerts
1994 8 concerts
1993 8 concerts
1992 12 concerts
1991 13 concerts
1990 13 concerts
1989 17 concerts
1988 16 concerts
1987 12 concerts
1986 7 concerts
1985 6 concerts
1984 4 concerts
1983 4 concerts
1982 3 concerts