Jason Griffy has seen concerts during 17 years.

Year   Concerts Seen  
2021 2 concerts
2019 3 concerts
2018 3 concerts
2017 1 concert
2016 1 concert
2015 1 concert
2014 2 concerts
2013 2 concerts
2011 1 concert
2009 2 concerts
2008 1 concert
2007 1 concert
2002 1 concert
2001 1 concert
1999 1 concert
1997 2 concerts
1990 1 concert