Year   Concerts Seen  
2018 1 concert
2017 3 concerts
2016 6 concerts
2015 13 concerts
2014 17 concerts
2013 15 concerts
2012 32 concerts
2011 17 concerts
2010 15 concerts
2009 12 concerts
2008 14 concerts
2007 15 concerts
2006 4 concerts
2005 8 concerts
2004 7 concerts
2003 3 concerts