Mats has seen concerts during 13 years.

Year   Concerts Seen  
2022 1 concert
2019 1 concert
2018 2 concerts
2017 3 concerts
2016 4 concerts
2014 3 concerts
2013 2 concerts
2011 1 concert
2010 4 concerts
2009 1 concert
2008 6 concerts
2006 3 concerts
2005 1 concert