Year	% gross
1970	9.92033004760742
1971	11.3987102508545
1977	9.40188980102539
1992	19.0281505584717
1993	56.1602897644043
1995	68.36376953125
1996	64.7465209960938
1997	67.4214477539063
1998	50.1621017456055
1999	54.4220886230469
2000	61.5654182434082
2001	64.7618103027344
2002	67.9162216186523
2003	62.3101997375488
2004	75.1075973510742
2005	78.8902130126953
2006	85.5
2007	91.1138534545898
2010	50.1679992675781
2011	97.285758972168
2012	110.991493225098
2013	107.250427246094
2014	105.076286315918
2015	104.96630859375
2016	97.7657699584961
2017	92.9313430786133
2018	91.2288818359375
2019	88.7633209228516
2020	77.9514389038086