Year	% gross
1976	42.5415802001953
1989	79.9626998901367
1990	99.2936477661133
1991	104.456901550293
1992	107.099487304688
1993	94.833122253418
1994	96.9284973144531
1995	97.82666015625
1996	96.7117767333984
1998	67.2671966552734
1999	68.5362319946289
2000	67.2707138061523
2002	67.5939407348633
2007	74.2591705322266
2008	74.7364883422852
2009	73.9330291748047
2010	71.3162002563477
2011	72.5129165649414
2012	73.0844573974609
2013	76.0029373168945
2014	78.1259765625
2015	78.6893005371094
2016	81.0884704589844
2017	82.3972320556641
2018	81.1154098510742
2019	84.4563980102539
2020	86.0844573974609
2021	90.9745788574219
