Year	% gross
1971	0.452349990606308
1972	0.466749995946884
1977	0.77794998884201
1978	0.775259971618652
1980	0.961359977722168
1981	1.01796996593475
1982	0.92834997177124
1984	0.90938001871109
1985	0.957170009613037
1992	1.54216003417969
2006	3.51410007476807
2007	4.28170013427734
2008	5.4921498298645
2009	5.83196020126343
2010	5.6318302154541
2011	7.38695001602173
2012	7.48572015762329
2013	7.71633005142212
2014	8.07921981811523
2015	8.22377014160156
2016	8.34714031219482
2017	8.8978099822998
2018	10.5988302230835
2019	11.5201902389526
2020	12.5294599533081
2021	15.0722398757935
2022	16.57493019104