Ben Sonkin has seen concerts during 14 years.

Year   Concerts Seen  
2015 2 concerts
2014 1 concert
2013 2 concerts
2008 2 concerts
2007 2 concerts
2004 1 concert
2003 4 concerts
2002 1 concert
2001 4 concerts
2000 8 concerts
1999 2 concerts
1998 7 concerts
1997 7 concerts
1996 2 concerts