Keith Toll has seen concerts during 16 years.

Year   Concerts Seen  
2023 1 concert
2021 1 concert
2019 1 concert
2018 2 concerts
2017 2 concerts
2016 1 concert
2015 1 concert
2012 1 concert
2011 1 concert
2010 1 concert
2008 3 concerts
2007 3 concerts
2006 22 concerts
2005 1 concert
2002 6 concerts
2001 3 concerts