Year   Concerts Seen  
2020 1 concert
2019 6 concerts
2018 4 concerts
2017 5 concerts
2016 5 concerts
2015 3 concerts
2014 2 concerts
2013 2 concerts
2012 1 concert
2011 1 concert
2010 1 concert
2008 1 concert
2007 2 concerts
2006 1 concert
2004 1 concert
2003 1 concert
2002 1 concert
2001 5 concerts
2000 4 concerts
1999 4 concerts
1998 2 concerts
1997 1 concert
1996 3 concerts
1995 1 concert
1994 1 concert
1993 4 concerts
1992 2 concerts
1991 5 concerts
1990 4 concerts
1989 3 concerts
1988 3 concerts
1987 4 concerts
1986 1 concert
1985 3 concerts
1984 6 concerts
1981 1 concert