Year	% gross
1970	0.9548100233078
1971	0.962279975414276
1972	1.63794004917145
1973	1.90366995334625
1974	2.93787002563477
1975	3.81406998634338
1985	3.64040994644165
1986	3.67423009872437
2003	13.4067096710205
2004	13.3222198486328
2005	13.2466497421265
2019	41.4051284790039