Chris Barton has seen concerts during 13 years.

Year   Concerts Seen  
2018 1 concert
2012 1 concert
2010 1 concert
2008 1 concert
2007 1 concert
2005 1 concert
2004 1 concert
1995 1 concert
1993 2 concerts
1992 1 concert
1991 1 concert
1990 1 concert
1989 2 concerts