Martijn Wissink has seen concerts during 17 years.

Year   Concerts Seen  
2024 16 concerts
2023 13 concerts
2022 13 concerts
2021 2 concerts
2020 2 concerts
2019 16 concerts
2018 6 concerts
2017 5 concerts
2016 4 concerts
2015 4 concerts
2013 3 concerts
2011 1 concert
2010 3 concerts
2009 1 concert
2005 1 concert
2000 1 concert
1999 3 concerts