Year	% gross
1971	5.14503002166748
1972	5.62906980514526
1978	6.82891988754272
1979	6.59925985336304
1980	6.78437995910645
1981	7.24249982833862
1982	7.84325981140137
1983	7.88560009002686
1984	7.78937005996704
1985	8.10087966918945
1986	8.70534038543701
1988	9.15894985198975
1989	9.6484203338623
1990	10.0089902877808
1992	10.5472097396851
1996	10.9011497497559
1997	10.7062101364136
1998	10.85142993927
1999	11.7471799850464
2000	12.309760093689
2001	12.6561002731323
2002	13.8994398117065
2004	16.9800090789795
2005	19.2171993255615
2006	21.0206508636475
2008	27.1675891876221
2010	34.5202713012695
2011	40.6324005126953
2012	44.905330657959
2013	48.2133293151855
2014	50.8555793762207
2019	48.8670387268066
2020	49.8964614868164
2021	51.1347312927246
2022	51.7507514953613