Year   Concerts Seen  
2019 8 concerts
2018 19 concerts
2017 30 concerts
2016 41 concerts
2015 15 concerts
2014 19 concerts
2013 23 concerts
2012 16 concerts
2011 12 concerts
2010 8 concerts
2009 4 concerts
2008 11 concerts
2007 7 concerts
2006 8 concerts
2005 5 concerts
2004 1 concert
2003 1 concert
2002 1 concert
2001 1 concert
2000 1 concert
1999 1 concert
1998 2 concerts
1997 2 concerts
1995 5 concerts
1994 5 concerts
1993 3 concerts
1992 1 concert