Holly Van Leeuwen has seen concerts during 19 years.

Year   Concerts Seen  
2024 6 concerts
2023 22 concerts
2022 30 concerts
2021 13 concerts
2019 14 concerts
2018 3 concerts
2017 5 concerts
2016 10 concerts
2015 18 concerts
2014 12 concerts
2013 15 concerts
2012 2 concerts
2011 5 concerts
2010 1 concert
2008 2 concerts
2007 1 concert
2004 2 concerts
2001 3 concerts
2000 1 concert