Year	% gross
1971	5.19431018829346
1972	5.85551977157593
1982	6.26353979110718
1983	5.84884977340698
1998	10.0390901565552
1999	9.77490997314453
2000	11.6281700134277
2001	12.7448997497559
2002	14.2265996932983
2008	19.4693698883057
2009	20.710319519043
2010	22.5249004364014
2011	21.9662704467773
2016	42.2949409484863