Year	% gross
2000	39.588680267334
2001	38.3024482727051
2002	40.7830009460449
2003	40.8103713989258
2004	42.608039855957
2005	43.9506912231445
2006	47.0205307006836
2007	49.6993598937988
2008	51.5435981750488
2009	52.4644889831543
2010	52.6307106018066
2011	52.1230697631836
2012	45.052318572998
2013	44.2830696105957
2014	47.3209991455078
2015	49.3755493164062
2016	57.4436798095703
2017	58.8772201538086
2018	62.0965385437012
2019	58.5433883666992
2020	60.0578384399414
2021	66.2878265380859
2022	68.3353118896484