Year	% gross
2003	20.7547206878662
2004	24.6068496704102
2005	24.4774703979492
2006	29.81715965271
2007	31.625940322876
2008	36.8154602050781
2009	34.4922218322754
2010	36.018310546875
2011	43.6750984191895
2012	42.4966812133789
2014	37.4887084960938
2015	33.5420417785645
2016	35.0226211547852
2017	35.6219291687012
2018	38.3002700805664
2019	41.1658401489258
2020	42.5986099243164
2021	46.0189590454102