Year	% gross
1970	46.6968383789062
1971	46.1878204345703
1972	46.5558090209961
1973	47.9629211425781
1974	48.9796600341797
1975	49.675178527832
1976	51.3916091918945
1977	51.400951385498
1978	52.7719306945801
1979	55.3043403625488
1980	59.2026596069336
1981	58.8376007080078
1982	60.3477096557617
1984	64.8141784667969
1986	66.7181396484375
1987	67.4205093383789
1988	68.4761581420898
1989	70.7020492553711
1990	68.8721389770508
1991	68.2352066040039
1992	69.3865280151367
1993	72.2377777099609
1994	73.7490463256836
1995	72.8981704711914
1996	71.74365234375
1997	71.2007827758789
1998	74.4758911132812
2000	68.0202713012695
2001	61.6015510559082
2002	59.2611885070801
2003	55.7471199035645
2004	55.6356582641602
2005	56.6919288635254
2006	55.2599487304688
2008	59.1189002990723
2012	100.100090026855
2016	103.689979553223
2018	109.501403808594