Year   Concerts Seen  
2018 6 concerts
2017 8 concerts
2015 1 concert
2014 3 concerts
2013 4 concerts
2012 8 concerts
2011 3 concerts
2010 4 concerts
2009 7 concerts
2008 1 concert
2007 12 concerts
2006 11 concerts
2005 14 concerts
2004 6 concerts
2003 4 concerts
2002 3 concerts
2001 6 concerts
2000 9 concerts
1999 8 concerts
1998 9 concerts
1997 7 concerts