Year	% gross
1971	1.93333995342255
1972	1.97540998458862
1973	2.03885006904602
1974	2.34061002731323
1975	2.41984009742737
1976	2.44124007225037
1977	2.73674988746643
1979	2.85742998123169
1980	3.15402007102966
1981	3.50663995742798
1982	3.79534006118774
1983	3.93057990074158
1984	4.18161010742188
1985	4.91526985168457
1986	5.98083019256592
1994	10.4468297958374
1999	11.578800201416
2000	11.9776802062988
2001	12.1441497802734
2003	13.4541902542114
2004	14.6454401016235
2005	15.7304401397705
2006	16.5067405700684
2007	17.7332592010498
2008	20.7898006439209
2009	22.4331607818604
2010	24.192699432373
2011	26.2395191192627
2012	28.0778694152832
2013	30.1395492553711
2014	31.8590297698975
2015	34.5816497802734
2016	36.203239440918
2017	38.0688018798828
2018	39.9996604919434
2019	39.8343696594238
2020	38.4913597106934
2021	36.3485107421875
2022	31.2749404907227