Year	% gross
1971	0.301959991455078
1972	0.19666999578476
1973	0.211380004882813
1974	0.139799997210503
1982	0.259579986333847
1983	0.343789994716644
1984	0.326490014791489
1985	0.331910014152527
1986	0.376989990472794
1987	0.401560008525848
1988	0.429560005664825
1989	0.455460011959076
1998	0.70566999912262
1999	0.741639971733093
2000	0.813139975070953
2001	1.1808899641037
2002	1.28635001182556
2003	1.26321005821228
2004	1.34992003440857
2005	1.80921995639801
2006	1.68894994258881
2007	3.33215999603271
2009	11.7208404541016
2010	10.6605596542358
2011	8.00030994415283
2012	8.31884956359863
2013	8.90167999267578
2014	10.9853601455688
2015	13.4885597229004
2016	13.8493700027466
2017	13.8552904129028
2018	15.0742702484131
2019	16.2829704284668
2020	16.2427005767822
2021	16.2427005767822