Year	% gross
1999	43.0070915222168
2000	43.2956008911133
2001	40.7051200866699
2002	36.8742599487305
2003	36.3050804138184
2004	40.1396598815918
2005	42.3117904663086
2006	50.3479385375977
2007	54.2209892272949
2008	54.1767387390137
2009	53.4710083007813
2010	56.5178489685059
2011	60.7704811096191
2012	62.5341911315918
2013	67.9762573242188
2014	49.1023712158203
2015	52.473991394043
2016	52.4268112182617
2017	55.3622398376465
2018	57.7517204284668
2019	58.0790214538574
2020	58.8246192932129