Year   Concerts Seen  
2022 4 concerts
2021 1 concert
2018 2 concerts
2017 1 concert
2016 1 concert
2015 3 concerts
2013 1 concert
2011 1 concert
2010 1 concert
2009 1 concert
2008 1 concert
2007 1 concert
2006 2 concerts
2005 1 concert
2003 1 concert
2001 1 concert
1999 1 concert
1997 2 concerts
1996 1 concert
1995 1 concert
1993 3 concerts
1992 2 concerts
1991 2 concerts
1990 3 concerts
1989 1 concert
1988 2 concerts
1987 7 concerts
1986 2 concerts