Year   Concerts Seen  
2017 3 concerts
2016 1 concert
2015 4 concerts
2014 15 concerts
2013 11 concerts
2012 11 concerts
2011 12 concerts
2010 1 concert
2009 3 concerts
2007 19 concerts
2006 2 concerts
2005 5 concerts
2004 1 concert
2003 2 concerts
2002 5 concerts
2001 7 concerts
2000 8 concerts
1999 6 concerts
1998 4 concerts