Year	% gross
1971	3.3277599811554
1972	3.42048001289368
1973	3.88730001449585
1977	2.79116988182068
1978	3.34373998641968
1979	4.43754005432129
1980	5.8034200668335
1981	5.5081901550293
1982	7.65652990341187
1983	8.42405033111572
1985	7.33386993408203
1986	7.25534009933472
1987	5.53402996063232
1990	7.40126991271973
1991	7.40985012054443
1992	7.18043994903564
1993	7.3076000213623
1994	7.36052989959717
1995	7.65047979354858
1999	5.43544006347656
2000	6.34010982513428
2001	7.08115005493164
2002	8.69935989379883
2004	11.0655002593994
2005	13.5321598052979
2006	15.8562698364258
2007	18.6172008514404
2008	20.8982791900635
2009	23.7465190887451
2010	25.8841094970703
2011	26.6728496551514
2012	26.1849498748779
2013	35.0382804870605
2014	34.3894309997559
2015	34.7621917724609
2016	27.8939990997314
2017	37.0113792419434
2018	30.3369998931885
2019	31.943000793457
2020	41.2980003356934
2021	33.6290016174316
2022	37.8919982910156