Katy Hamm has seen concerts during 15 years.

Year   Concerts Seen  
2019 79 concerts
2018 12 concerts
2017 12 concerts
2016 21 concerts
2015 11 concerts
2014 8 concerts
2013 5 concerts
2012 3 concerts
2011 8 concerts
2010 1 concert
2009 2 concerts
2008 2 concerts
2007 3 concerts
2006 3 concerts
2005 1 concert