Irene has seen concerts during 13 years.

Year   Concerts Seen  
2018 5 concerts
2017 21 concerts
2016 26 concerts
2015 24 concerts
2014 13 concerts
2013 21 concerts
2012 12 concerts
2011 12 concerts
2010 12 concerts
2009 4 concerts
2008 3 concerts
2007 2 concerts
2006 1 concert