Erik Hannink has seen concerts during 14 years.

Year   Concerts Seen  
2023 1 concert
2022 3 concerts
2021 1 concert
2019 1 concert
2018 5 concerts
2017 2 concerts
2016 3 concerts
2015 4 concerts
2014 1 concert
2013 1 concert
2012 3 concerts
2011 2 concerts
1993 1 concert
1992 1 concert