Year   Concerts Seen  
2019 1 concert
2016 14 concerts
2015 31 concerts
2014 42 concerts
2013 51 concerts
2012 70 concerts
2011 78 concerts
2010 52 concerts
2009 44 concerts
2008 10 concerts
2007 13 concerts
2006 11 concerts
2005 1 concert
2004 12 concerts
2003 1 concert
2002 1 concert
1989 1 concert