Year	% gross
1970	35.9058799743652
1971	37.8516998291016
1972	40.0134315490723
1973	42.038761138916
1974	43.5851783752441
1975	46.1114501953125
1976	49.1084289550781
1977	52.0903816223145
1978	57.323070526123
1979	58.7470092773438
1980	59.7627105712891
1981	59.2296409606934
1982	58.7064094543457
1983	60.419750213623
1984	61.090648651123
1985	61.7587585449219
1986	62.2065315246582
1987	62.8966102600098
1988	63.7444915771484
1989	65.5274429321289
1990	66.2543411254883
1991	65.7239532470703
1992	64.518798828125
1993	64.1740570068359
1994	67.4488372802734
1995	67.6240463256836
1996	69.1765289306641
1997	69.3911972045898
1998	77.0742416381836
1999	78.2726364135742
2000	80.6369094848633
2001	83.6432189941406
2002	85.0296936035156
2003	78.40087890625
2004	81.7232894897461
2005	82.7753372192383
2006	85.7075805664062
2007	88.6508178710938
2008	89.8375473022461
2009	93.4648818969727
2010	95.7563323974609
2011	97.1125869750977
2012	95.9883804321289
2013	101.042098999023
2014	99.2948989868164
2015	99.5942687988281
2016	101.344680786133
2017	100.209571838379
2018	98.6095199584961
2019	97.7029800415039
2020	97.5327911376953
2021	98.1648101806641
2022	99.1219863891602
2023	102.291999816895