Year	% gross
2005	21.461820602417
2006	24.3322296142578
2007	27.3832893371582
2008	29.8376502990723
2009	31.2904090881348
2010	32.0550003051758
2011	34.4426116943359
2012	36.5151596069336
2013	41.3777503967285
2014	42.2678298950195
2015	41.642879486084
2016	41.3910217285156
2017	38.9441184997559
2018	35.8805694580078
2019	33.5393714904785
2020	32.5921211242676
2021	34.3465385437012
2022	34.6132698059082