Cat Koops has seen concerts during 15 years.

Year   Concerts Seen  
2017 9 concerts
2016 7 concerts
2015 5 concerts
2014 3 concerts
2013 2 concerts
2012 2 concerts
2011 4 concerts
2010 1 concert
2009 1 concert
2008 1 concert
2006 2 concerts
2005 1 concert
2001 2 concerts
2000 1 concert
1996 1 concert