Year   Concerts Seen  
2019 16 concerts
2018 21 concerts
2017 31 concerts
2016 41 concerts
2015 15 concerts
2014 19 concerts
2013 23 concerts
2012 16 concerts
2011 12 concerts
2010 9 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