Regular John has seen concerts during 21 years.

Year   Concerts Seen  
2024 6 concerts
2023 30 concerts
2022 16 concerts
2021 2 concerts
2020 4 concerts
2019 18 concerts
2018 20 concerts
2017 13 concerts
2016 8 concerts
2015 9 concerts
2014 11 concerts
2013 1 concert
2012 3 concerts
2011 1 concert
2010 7 concerts
2009 15 concerts
2008 10 concerts
2007 9 concerts
2006 8 concerts
2005 6 concerts
2004 3 concerts