Year   Concerts Seen  
2021 2 concerts
2019 2 concerts
2017 2 concerts
2016 3 concerts
2015 2 concerts
2013 1 concert
2011 1 concert
2008 1 concert
2005 1 concert
2001 1 concert
1999 1 concert
1998 9 concerts
1997 5 concerts
1996 3 concerts
1995 1 concert
1994 1 concert
1993 1 concert
1992 3 concerts
1991 2 concerts
1990 2 concerts
1989 2 concerts
1988 1 concert
1986 4 concerts
1985 2 concerts