Year	% gross
1977	2.10989999771118
1979	2.68006992340088
1983	0.937940001487732
1984	3.54537010192871
1986	2.71557998657227
1987	4.17829990386963
1992	6.46880006790161
1993	6.92806005477905
1994	7.37840986251831
1998	14.1802797317505
1999	17.6674900054932
2000	17.8856201171875
2001	18.6996192932129
2002	17.5822792053223
2003	17.6817207336426
2004	18.7698707580566
2005	18.6992797851562
2006	18.4030609130859
2007	18.3580093383789
2008	19.653829574585
2009	20.3907299041748
2010	19.6547603607178
2011	22.354419708252
2012	28.8107204437256
2013	31.6368408203125
2014	37.2700004577637
2015	45.6209983825684
2016	42.3050003051758
2017	42.9420013427734
2018	38.3779983520508
2019	38.4550018310547
2020	39.6253700256348