Billy A has seen concerts during 20 years.

Year   Concerts Seen  
2023 3 concerts
2022 24 concerts
2020 4 concerts
2019 25 concerts
2018 36 concerts
2017 45 concerts
2016 33 concerts
2015 36 concerts
2014 40 concerts
2013 55 concerts
2012 38 concerts
2011 14 concerts
2010 6 concerts
2009 4 concerts
2008 2 concerts
2007 1 concert
2006 5 concerts
2005 3 concerts
2004 1 concert
2003 1 concert