Year	% gross
2006	20.2459392547607
2007	19.5503005981445
2008	18.8704299926758
2009	18.931079864502
2010	19.156379699707
2011	19.8081798553467
2012	20.9255294799805
2013	22.6238193511963
2014	24.7532291412354
2015	27.4807796478271
2016	28.133020401001
2017	29.0338497161865
2018	29.6934509277344
2019	34.0135803222656
2020	38.5193099975586
2021	41.9127197265625
2022	45.2453994750977