Ron Allen has seen concerts during 21 years.

Year   Concerts Seen  
2023 4 concerts
2022 5 concerts
2021 1 concert
2019 3 concerts
2018 2 concerts
1995 3 concerts
1994 1 concert
1993 1 concert
1992 2 concerts
1991 5 concerts
1990 4 concerts
1989 5 concerts
1988 6 concerts
1987 4 concerts
1986 2 concerts
1985 3 concerts
1984 4 concerts
1983 5 concerts
1982 2 concerts
1979 1 concert
1977 1 concert