Year   Concerts Seen  
2019 1 concert
2014 1 concert
2007 1 concert
2005 1 concert
2004 2 concerts
2003 1 concert
2002 1 concert
2000 1 concert
1999 4 concerts
1998 2 concerts
1997 3 concerts
1996 1 concert
1995 6 concerts
1993 2 concerts
1992 3 concerts
1990 2 concerts
1987 1 concert
1985 1 concert
1984 2 concerts
1981 1 concert