Year	% gross
2003	29.8327102661133
2004	35.7470207214355
2005	34.2465782165527
2006	41.5962409973145
2007	43.0581588745117
2008	48.158130645752
2009	45.7371215820312
2010	44.3446998596191
2011	56.3032417297363
2012	54.3722915649414
2014	50.8122711181641
2015	44.8458099365234
2016	45.3309211730957
2017	43.6347694396973
2018	48.8372116088867
2019	52.7472496032715
2020	53.7089195251465
2021	55.745491027832