Just Mj has seen concerts during 12 years.

Year   Concerts Seen  
2015 1 concert
1999 1 concert
1996 1 concert
1992 1 concert
1991 2 concerts
1990 1 concert
1989 1 concert
1988 1 concert
1987 2 concerts
1986 1 concert
1985 1 concert
1984 1 concert