Year   Concerts Seen  
2018 2 concerts
2017 2 concerts
2016 1 concert
2015 12 concerts
2014 6 concerts
2013 11 concerts
2012 11 concerts
2011 3 concerts
2010 2 concerts
2009 8 concerts
2008 1 concert
2007 6 concerts
2006 1 concert
2005 3 concerts
2004 2 concerts
2003 5 concerts
2002 2 concerts
2000 5 concerts
1999 2 concerts
1998 1 concert
1997 1 concert
1996 1 concert
1995 11 concerts
1994 15 concerts
1993 8 concerts
1992 19 concerts
1991 35 concerts
1990 30 concerts
1989 43 concerts
1988 26 concerts
1987 18 concerts
1986 3 concerts
1985 4 concerts
1984 11 concerts
1983 12 concerts
1982 15 concerts
1981 10 concerts
1980 2 concerts