Year	% gross
1981	106.86498260498
1986	106.060089111328
1989	103.1767578125
1990	103.403297424316
1991	101.418960571289
1992	99.4563293457031
1993	95.6179885864258
1994	90.6904067993164
1995	87.11572265625
1996	76.4924774169922
1999	80.8123092651367
2000	81.4138031005859
2001	81.760627746582
2002	80.3085403442383
2003	84.760009765625
2004	83.2227325439453
2005	82.2335891723633
2006	82.8100509643555
2007	82.9403533935547
2009	84.9877090454102
2010	86.5630035400391
2011	87.0329971313477
2012	87.4229965209961
2013	87.7249984741211
2014	89.7829971313477
2015	90.0670013427734
2016	92.5429992675781
2017	91.9520034790039
2018	92.4328765869141
2019	92.7374420166016
2020	93.4160766601562
2021	94.7706069946289
2022	94.9229965209961
2023	93.4660034179688