Year   Concerts Seen  
2019 1 concert
2015 1 concert
2007 2 concerts
2005 1 concert
2004 1 concert
2001 1 concert
2000 1 concert
1999 2 concerts
1998 1 concert
1997 1 concert
1996 2 concerts
1995 3 concerts
1994 4 concerts
1993 1 concert
1992 6 concerts
1991 1 concert
1990 3 concerts
1989 2 concerts
1988 1 concert
1987 2 concerts
1986 4 concerts
1985 3 concerts
1984 1 concert
1983 1 concert
1982 1 concert
1981 1 concert