Year   Concerts Seen  
2024 1 concert
2017 2 concerts
2016 1 concert
2015 1 concert
2010 1 concert
2008 4 concerts
2005 1 concert
2002 1 concert
1999 2 concerts
1998 4 concerts
1997 1 concert
1996 4 concerts
1995 1 concert
1994 2 concerts
1993 1 concert
1992 1 concert
1991 3 concerts
1990 5 concerts
1989 7 concerts
1988 2 concerts
1987 3 concerts
1986 6 concerts
1984 3 concerts
1983 5 concerts
1982 4 concerts
1981 15 concerts
1980 10 concerts
1979 7 concerts
1978 21 concerts
1977 13 concerts