Year	% gross
1982	93.621337890625
1983	93.2749404907227
1984	94.851921081543
1985	98.4230575561523
1986	96.5793685913086
1987	95.8060302734375
1988	96.6036834716797
1989	96.2660675048828
1990	95.8017120361328
1991	89.4290313720703
1992	83.9607925415039