Year   Concerts Seen  
2020 3 concerts
2019 4 concerts
2018 6 concerts
2017 6 concerts
2016 4 concerts
2015 9 concerts
2014 3 concerts
2013 5 concerts
2012 2 concerts
2011 1 concert
2010 4 concerts
2009 2 concerts
2008 2 concerts
2007 3 concerts
2006 3 concerts
2005 4 concerts
2004 2 concerts
2003 1 concert
2002 1 concert
2001 2 concerts
2000 2 concerts
1999 3 concerts
1998 2 concerts