Jon P has seen concerts during 16 years.

Year   Concerts Seen  
2017 1 concert
2016 1 concert
2015 1 concert
2014 3 concerts
2013 1 concert
2012 1 concert
2011 1 concert
2009 4 concerts
2008 4 concerts
2006 2 concerts
2004 2 concerts
2003 3 concerts
2000 3 concerts
1999 2 concerts
1997 1 concert
1996 1 concert