Year   Concerts Seen  
2019 7 concerts
2001 18 concerts
2000 44 concerts
1999 20 concerts
1998 23 concerts
1997 16 concerts
1996 13 concerts
1995 5 concerts
1994 1 concert
1993 8 concerts
1992 19 concerts
1991 32 concerts
1990 22 concerts
1989 31 concerts
1988 31 concerts
1987 14 concerts
1986 11 concerts