Year   Concerts Seen  
2017 1 concert
2016 1 concert
2010 1 concert
2007 1 concert
2006 3 concerts
2005 2 concerts
2004 1 concert
2003 2 concerts
2002 6 concerts
2001 4 concerts
2000 2 concerts
1999 6 concerts
1998 9 concerts
1997 7 concerts
1996 6 concerts
1995 7 concerts
1994 2 concerts
1993 2 concerts
1992 3 concerts
1989 1 concert
1983 1 concert