Year   Concerts Seen  
2020 1 concert
2019 7 concerts
2018 1 concert
2017 10 concerts
2016 2 concerts
2015 2 concerts
2014 1 concert
2013 1 concert
2011 1 concert
2010 4 concerts
2009 2 concerts
2008 2 concerts
2007 1 concert
2006 2 concerts
2004 1 concert
2003 4 concerts
2002 1 concert
2000 4 concerts
1999 2 concerts
1998 1 concert
1997 2 concerts
1996 2 concerts
1995 2 concerts
1994 3 concerts
1992 4 concerts
1991 1 concert
1990 2 concerts
1988 3 concerts
1986 1 concert