Year   Concerts Seen  
2019 1 concert
2017 1 concert
2015 2 concerts
2013 2 concerts
2012 2 concerts
2011 1 concert
2010 4 concerts
2009 1 concert
2008 2 concerts
2006 2 concerts
2005 3 concerts
2004 3 concerts
2003 3 concerts
2002 1 concert
2001 4 concerts
2000 4 concerts
1999 7 concerts
1998 1 concert
1997 2 concerts
1996 3 concerts
1994 7 concerts
1993 8 concerts
1992 1 concert
1991 2 concerts
1990 4 concerts
1989 2 concerts
1988 1 concert
1987 4 concerts
1986 3 concerts
1983 2 concerts