Year   Concerts Seen  
2019 1 concert
2015 1 concert
2013 1 concert
2008 1 concert
2004 1 concert
2003 1 concert
2002 2 concerts
2001 2 concerts
2000 2 concerts
1999 1 concert
1997 2 concerts
1996 2 concerts
1995 1 concert
1993 1 concert
1992 3 concerts
1991 1 concert
1989 2 concerts
1988 1 concert
1987 1 concert
1986 1 concert
1985 1 concert
1983 1 concert