Year   Concerts Seen  
2017 6 concerts
2016 17 concerts
2015 23 concerts
2014 28 concerts
2013 22 concerts
2012 23 concerts
2011 24 concerts
2010 11 concerts
2009 12 concerts
2008 15 concerts
2007 8 concerts
2006 7 concerts
2005 1 concert
2004 2 concerts
2003 1 concert
2002 1 concert
2001 3 concerts
2000 4 concerts
1999 1 concert