Year	% gross
1971	11.9241104125977
1972	12.0809202194214
1973	12.5125503540039
1974	13.106559753418
1975	14.2068195343018
1976	16.6782302856445
1977	17.7388000488281
1978	19.2705898284912
1979	21.1053695678711
1980	22.607120513916
1981	24.206579208374
1982	26.4097805023193
1983	28.1592102050781
1984	29.6947498321533
1985	31.3378295898438
1986	33.8563690185547
1987	35.451171875
1988	36.9441184997559
1989	36.3098793029785
1990	36.4397201538086
1991	34.8268508911133
1992	35.485668182373
1993	36.0244903564453
1994	37.1271781921387
1995	37.4213600158691
1996	37.746150970459
1997	37.987621307373
1998	36.9044189453125
1999	37.3624382019043
2000	39.1113700866699
2001	40.8782997131348
2002	42.856819152832
2003	44.6263809204102
2004	47.5902709960938
2005	49.3741798400879
2006	52.4637603759766
2007	55.5957107543945
2008	57.8878288269043
2009	60.9120292663574
2010	63.2674598693848
2011	66.2594909667969
2012	68.9832611083984
2017	78.5361022949219
2018	79.0162582397461
2019	80.1277923583984
2020	81.3967819213867
2021	82.1820602416992
2022	86.2332000732422