Year   Concerts Seen  
2019 2 concerts
2018 1 concert
2017 2 concerts
2016 2 concerts
2015 4 concerts
2014 2 concerts
2013 1 concert
2012 1 concert
2011 2 concerts
2010 4 concerts
2009 1 concert
2008 1 concert
2007 2 concerts
2006 4 concerts
2005 1 concert
2004 1 concert
2003 4 concerts
2002 3 concerts
2001 1 concert
2000 1 concert
1998 1 concert
1996 1 concert
1995 1 concert
1994 1 concert
1992 2 concerts
1991 1 concert