Mayumi has seen concerts during 14 years.

Year   Concerts Seen  
2024 3 concerts
2023 14 concerts
2022 8 concerts
2019 11 concerts
2018 3 concerts
2017 3 concerts
2016 1 concert
2015 3 concerts
2014 3 concerts
2013 1 concert
2012 2 concerts
2010 1 concert
2009 1 concert
2006 1 concert