Year	% gross
1970	0.291550010442734
1971	0.307760000228882
1972	0.368530005216599
1973	0.402330011129379
1974	0.451869994401932
1975	0.399430006742477
1976	0.419649988412857
1977	0.327399998903275
1978	0.579169988632202
1979	0.452670007944107
1982	0.459479987621307
1983	0.468210011720657
1984	0.485469996929169
1985	0.482560008764267
1986	0.476500004529953
1987	0.560459971427917
1991	0.550859987735748
1992	0.562849998474121
1993	0.642849981784821
1994	0.660899996757507
1995	0.767549991607666
1996	0.850090026855469
1997	0.981280028820038
1998	0.843439996242523
1999	0.963850021362305
2000	1.00133001804352
2001	1.02373003959656
2002	1.06286001205444
2003	1.26589000225067
2004	1.76084995269775
2005	1.98243999481201
2007	2.07324004173279
2010	2.55009007453918
2012	5.69218015670776
2013	5.32520008087158
2015	5.82988023757935
2016	5.28363990783691
2019	3.72041010856628
2020	8.29599952697754
2021	4.25299978256226
2022	5.98299980163574