Year	% gross
2001	31.2628002166748
2002	31.3254108428955
2003	32.8823890686035
2004	36.3786315917969
2005	36.6428489685059
2006	35.4113388061523
2007	35.2355117797852
2008	37.7534599304199
2009	42.2509117126465
2010	42.9851608276367
2011	38.5298385620117
2012	42.6758918762207
2013	45.3667984008789
2014	46.8034210205078
2015	47.602970123291
2016	46.1623802185059
2017	48.9796409606934
2018	48.3620414733887