Louis has seen concerts during 15 years.

Year   Concerts Seen  
2020 1 concert
2019 3 concerts
2018 8 concerts
2017 7 concerts
2016 6 concerts
2015 19 concerts
2014 19 concerts
2013 6 concerts
2012 7 concerts
2011 8 concerts
2010 6 concerts
2009 3 concerts
2008 3 concerts
2007 1 concert
2006 1 concert