Year	% gross
1974	7.35754013061523
1975	7.54552984237671
1977	8.00625038146973
1978	7.53521013259888
1979	8.25483989715576
1980	8.93115043640137
1981	8.40441989898682
1983	9.09729957580566
1990	12.1805295944214
1992	14.1827802658081
1994	11.4181203842163
1995	13.2451696395874
1996	14.602499961853
1997	14.3565196990967
1998	13.4776000976563
1999	15.3141098022461
2000	10.7983503341675
2001	12.173620223999
2004	16.178560256958
2006	16.8025493621826
2009	17.2239608764648
2016	13.3600559234619
2017	29.0380935668945
2018	35.9059448242188
2019	35.9318962097168
2020	34.9238739013672
2021	32.179515838623