Year   Concerts Seen  
2019 2 concerts
2017 1 concert
2011 1 concert
2009 2 concerts
2008 2 concerts
2007 1 concert
2005 4 concerts
2004 2 concerts
2003 1 concert
2000 1 concert
1999 1 concert
1995 1 concert
1994 1 concert
1993 2 concerts
1992 2 concerts
1991 4 concerts
1990 6 concerts
1989 2 concerts
1988 3 concerts
1985 1 concert