For the entirety of 1984, the top album was one of these five:
Thriller (Michael Jackson) - Jan 1 - April 14
Footloose (Soundtrack) - April 21 - June 23
Sports (Huey Lewis) - June 30
Born in the USA (Bruce Springsteen) - July 7 - July 28
Purple Rain (Prince) - Aug 4 - Dec 29