Year	% gross
1981	28.9796600341797
1991	36.8542404174805
1995	45.8798217773438
1996	43.4677581787109
1997	47.1743583679199
1999	39.6137390136719
2000	42.5138702392578
2001	44.2219085693359
2002	46.9072303771973
2003	48.030460357666
2004	46.9170417785645
2005	51.8170394897461
2006	42.8070793151855
2007	41.5456504821777
2008	38.0579414367676
2009	28.2556705474854
2010	31.5973606109619
2011	34.3632888793945
2012	32.4973793029785
2013	39.4706687927246
2014	45.7736511230469
2015	51.1823806762695
2016	57.3850593566895
2017	62.7497596740723
2018	66.0417785644531
2019	69.0164108276367
2020	71.3107528686523
2021	76.8213119506836
2022	78.9377136230469
2023	78.5419998168945