Year	% gross
1970	0.315230011940002
1975	0.4966000020504
1977	1.01637995243073
1980	1.16465997695923
1981	1.31887996196747
1982	1.25843000411987
1984	3.46850991249084
1985	4.77229022979736
1986	4.257080078125
1988	5.1154899597168
2003	3.44001007080078
2011	0.980000019073486
