David Witkowski has seen concerts during 14 years.

Year   Concerts Seen  
2024 4 concerts
2023 6 concerts
2022 13 concerts
2021 1 concert
2019 12 concerts
2018 18 concerts
2017 5 concerts
2016 17 concerts
2015 13 concerts
2014 10 concerts
2013 4 concerts
2012 2 concerts
2011 1 concert
2010 3 concerts