John Bowman has seen concerts during 24 years.

Year   Concerts Seen  
2023 8 concerts
2022 6 concerts
2020 1 concert
2019 1 concert
2018 3 concerts
2017 3 concerts
2014 2 concerts
2008 1 concert
2006 1 concert
2005 1 concert
2002 1 concert
1998 2 concerts
1996 2 concerts
1995 4 concerts
1994 2 concerts
1993 9 concerts
1992 9 concerts
1991 17 concerts
1990 10 concerts
1989 7 concerts
1988 5 concerts
1987 8 concerts
1986 3 concerts
1984 1 concert