Year	% gross
1970	0.257789999246597
1990	34.2017211914063
1991	37.0666694641113
1992	40.6585998535156
1993	39.9732208251953
1994	38.5969696044922
1995	40.8714904785156
1996	41.3435096740723
1997	39.5972595214844
2000	35.3109092712402
2002	40.929630279541
2010	101.919372558594
2011	100.891166687012
2012	93.4081573486328
2013	92.3849029541016
2014	94.192253112793
2015	93.6666107177734
2016	97.3921127319336
2017	98.7310333251953
2018	84.0707702636719
2019	93.2664794921875