Year	% gross
1976	46.8787994384766
1986	71.705192565918
1989	83.9154815673828
1990	89.8930511474609
1991	94.3216094970703
1992	96.4880523681641
1993	87.6490020751953
1994	89.9769515991211
1995	90.4640579223633
1996	88.7950210571289
1998	58.9008407592773
1999	59.6460494995117
2000	58.5191192626953
2002	58.4150009155273
2007	63.8258285522461
2008	64.2995529174805
2009	63.6141700744629
2010	61.8762588500977
2011	63.154899597168
2012	63.6187591552734
2013	65.774299621582
2014	67.2278594970703
2015	67.4031677246094
2016	69.5068588256836
2017	70.6271591186523
2018	69.5775985717773
2019	72.8150634765625
2020	74.1571426391602
2021	77.8022918701172