Denver Concert Dude has seen concerts during 13 years.

Year   Concerts Seen  
2017 4 concerts
2016 6 concerts
2015 3 concerts
2014 3 concerts
2013 3 concerts
2011 6 concerts
2010 11 concerts
2009 15 concerts
2008 22 concerts
2007 22 concerts
2006 15 concerts
2005 18 concerts
2004 9 concerts