Year	% gross
1971	106.445671081543
1977	114.780601501465
1979	122.075057983398
1980	124.557518005371
1981	126.157409667969
1982	129.638549804688
1983	130.226699829102
1984	163.421051025391
1985	171.236557006836
2001	58.0645217895508
2002	53.6523895263672
2003	51.6623992919922
2004	56.363639831543
2005	49.3403701782227
2006	50.1340484619141
2010	45.1428604125977
2011	48.8304100036621
2012	59.9406509399414
2013	54.5454483032227
2014	60.9907112121582
2015	63.0573196411133