Year   Concerts Seen  
2024 1 concert
2015 2 concerts
2014 1 concert
2009 1 concert
2008 1 concert
2007 1 concert
2003 1 concert
2002 2 concerts
2001 2 concerts
1999 3 concerts
1997 2 concerts
1996 1 concert
1995 2 concerts
1994 1 concert
1992 1 concert
1991 4 concerts
1990 3 concerts
1988 1 concert
1986 3 concerts
1984 2 concerts
1983 6 concerts
1982 5 concerts
1981 9 concerts
1980 5 concerts
1979 3 concerts
1978 6 concerts
1977 6 concerts