Kathleen Ko has seen concerts during 12 years.

Year   Concerts Seen  
2024 4 concerts
2023 2 concerts
2022 3 concerts
2019 3 concerts
2017 2 concerts
2016 2 concerts
2014 3 concerts
2013 1 concert
2010 1 concert
2008 1 concert
2005 1 concert
2004 2 concerts