Year	% gross
1971	0.63919997215271
1972	1.12882995605469
1973	1.21789002418518
1976	3.13775992393494
1977	3.87284994125366
1978	3.84260010719299
1979	3.52611994743347
1980	4.48736000061035
1983	6.99868011474609
1984	7.16830015182495
1987	8.07174015045166
1988	7.6168098449707
1989	7.19108009338379
1990	7.14232015609741
1999	8.55311965942383
2001	8.91644954681396
2003	9.71405982971191
2019	17.4489994049072