Year   Concerts Seen  
2019 6 concerts
2018 8 concerts
2017 11 concerts
2016 12 concerts
2015 27 concerts
2014 23 concerts
2013 16 concerts
2012 13 concerts
2011 7 concerts
2010 6 concerts
2009 5 concerts
2008 4 concerts
2007 6 concerts
2006 9 concerts
2005 11 concerts
2004 9 concerts
2003 9 concerts