James Christensen has seen concerts during 16 years.

Year   Concerts Seen  
2016 1 concert
2013 1 concert
2010 1 concert
2009 3 concerts
2008 1 concert
2007 6 concerts
2005 1 concert
2003 1 concert
1995 2 concerts
1990 1 concert
1988 1 concert
1987 3 concerts
1986 3 concerts
1984 3 concerts
1983 4 concerts
1982 5 concerts