John F. Kennedy has seen concerts during 28 years.

Year   Concerts Seen  
2023 4 concerts
2022 1 concert
2016 1 concert
2015 3 concerts
2014 4 concerts
2012 3 concerts
2011 1 concert
2010 2 concerts
2009 2 concerts
2006 1 concert
2003 1 concert
2002 2 concerts
1998 1 concert
1994 1 concert
1991 1 concert
1990 1 concert
1989 1 concert
1988 2 concerts
1986 4 concerts
1985 3 concerts
1984 2 concerts
1983 2 concerts
1982 4 concerts
1981 1 concert
1980 2 concerts
1979 1 concert
1978 1 concert
1977 3 concerts