Bert Okishita has seen concerts during 11 years.

Year   Concerts Seen  
2023 2 concerts
2022 2 concerts
2021 1 concert
2019 8 concerts
2018 3 concerts
2017 5 concerts
2015 1 concert
2013 1 concert
2009 2 concerts
2008 1 concert
1999 1 concert