John B has seen concerts during 18 years.

Year   Concerts Seen  
2025 1 concert
2024 25 concerts
2023 38 concerts
2022 29 concerts
2021 15 concerts
2020 9 concerts
2019 15 concerts
2018 19 concerts
2017 5 concerts
2016 4 concerts
2015 2 concerts
2014 3 concerts
2013 7 concerts
2012 8 concerts
2011 3 concerts
2010 3 concerts
2008 3 concerts
2007 2 concerts