Erika Petz has seen concerts during 17 years.

Year   Concerts Seen  
2023 1 concert
2022 5 concerts
2021 1 concert
2019 3 concerts
2017 2 concerts
2016 1 concert
2015 4 concerts
2014 5 concerts
2013 1 concert
2012 2 concerts
2010 2 concerts
2009 1 concert
2008 1 concert
2007 1 concert
2006 2 concerts
2005 1 concert
2004 1 concert