Year   Concerts Seen  
2018 2 concerts
2016 1 concert
2009 1 concert
2008 1 concert
2007 1 concert
2005 3 concerts
2004 2 concerts
2003 4 concerts
2002 5 concerts
2001 1 concert
2000 1 concert
1999 1 concert
1998 6 concerts
1997 9 concerts
1996 10 concerts
1995 2 concerts
1994 2 concerts
1993 2 concerts
1992 3 concerts
1990 1 concert
1989 2 concerts
1988 1 concert
1987 1 concert
1984 1 concert
1983 3 concerts
1980 3 concerts
1979 6 concerts
1978 2 concerts
1977 1 concert
1976 8 concerts
1975 2 concerts
1974 2 concerts
1971 1 concert