John Hutchison has seen concerts during 17 years.

Year   Concerts Seen  
2018 1 concert
2017 4 concerts
2016 1 concert
2015 4 concerts
2014 6 concerts
2013 2 concerts
2012 6 concerts
2011 2 concerts
2010 6 concerts
2009 13 concerts
2008 6 concerts
2007 2 concerts
2006 16 concerts
2005 7 concerts
2004 5 concerts
2003 1 concert
2002 1 concert