Iron Tyson has seen concerts during 12 years.

Year   Concerts Seen  
2018 4 concerts
2017 12 concerts
2016 6 concerts
2013 1 concert
2012 6 concerts
2011 2 concerts
2010 3 concerts
2009 2 concerts
2008 3 concerts
2007 2 concerts
2006 3 concerts
2004 1 concert