Year	% gross
1972	26.2832202911377
1973	26.6000804901123
1974	28.6694107055664
1975	30.7976894378662
1976	29.8876399993896
1977	29.4906902313232
1978	29.3780994415283
1980	31.995210647583
1981	28.2235202789307
1982	31.6599407196045
1983	32.8556900024414
1984	33.2036209106445
1985	39.8077507019043
1986	43.7620086669922
1987	44.5750999450684
1990	46.6319999694824
1991	47.9799499511719
1992	53.6053695678711
1993	58.9547996520996
1997	67.0794982910156
1999	66.9473266601562
2000	71.2822799682617
2001	73.6002807617188
2002	75.1710662841797
2003	77.915771484375
2004	77.9540023803711
2005	82.5311126708984
2006	87.1280517578125
2007	91.3620529174805
2008	96.2206268310547
2009	97.7539596557617
2010	97.6348724365234
2011	97.1129913330078
2012	93.8899230957031
2013	92.0371932983398
2014	91.3350830078125
2015	91.5483169555664
2016	90.2139205932617
2017	89.3643493652344
2018	89.1981811523438
2019	88.8767623901367
2020	89.2604064941406
2021	86.7979965209961
2022	88.1037292480469