Ollie has seen concerts during 15 years.

Year   Concerts Seen  
2024 4 concerts
2023 8 concerts
2022 3 concerts
2021 1 concert
2020 13 concerts
2019 30 concerts
2018 28 concerts
2017 33 concerts
2016 19 concerts
2015 13 concerts
2014 3 concerts
2013 2 concerts
2012 1 concert
2010 1 concert
2009 2 concerts