Year	% gross
1977	2.40137004852295
1978	2.37115001678467
1979	1.59210002422333
1980	1.22309994697571
1981	2.17818999290466
1982	2.17712998390198
1983	3.1771399974823
1984	2.89773011207581
1985	2.63011002540588
1987	2.30704998970032
1988	2.49506998062134
1993	4.62623977661133
1996	9.81972026824951
2004	6.25847005844116
2005	7.18383979797363
2006	3.17761993408203
2007	5.40678977966309
2008	10.0231304168701
2009	9.84568023681641
2010	6.85978984832764
2011	11.6118097305298
2012	6.30779981613159
2013	9.15170955657959
2014	10.8667497634888
2015	11.5517902374268
2016	13.2230396270752
2017	13.6932601928711
2018	9.76943969726562
2019	10.157919883728
2020	10.9308395385742
2022	10.1790399551392