Jason has seen concerts during 17 years.

Year   Concerts Seen  
2024 1 concert
2023 21 concerts
2022 12 concerts
2019 3 concerts
2018 11 concerts
2017 9 concerts
2016 4 concerts
2015 5 concerts
2014 10 concerts
2013 10 concerts
2012 10 concerts
2011 10 concerts
2010 16 concerts
2009 9 concerts
2008 7 concerts
2007 8 concerts
2006 5 concerts