Year	% gross
1971	32.4410285949707
1972	35.1568412780762
1973	38.7500915527344
1974	37.4221382141113
1975	43.6302795410156
1976	45.2561798095703
1977	47.4104804992676
1978	48.427360534668
1979	54.3536911010742
1980	55.7196617126465
1981	57.5736198425293
1982	61.643798828125
1983	63.4164886474609
1984	61.7396507263184
1985	62.0938682556152
1986	60.1568908691406
1987	60.4708404541016
1988	59.3532981872559
1989	58.7245597839355
1990	49.1453895568848
1991	55.5559501647949
1992	58.5951881408691
1993	63.647029876709
1994	64.0147323608398
1995	67.4948501586914
1996	69.8507385253906
1997	73.6989974975586
1998	76.8410720825195
1999	77.1800384521484
2000	80.111213684082
2001	87.4075012207031
2002	92.6105804443359
2003	96.3288879394531
2004	100.354598999023
2005	97.6395721435547
2006	97.9188232421875
2008	110.888137817383
2009	116.08260345459
2010	117.383979797363
2011	119.239990234375
2012	123.163383483887
2013	124.061050415039
2014	124.522239685059
2015	127.121139526367
2016	125.554527282715
2017	121.606216430664
2018	117.116798400879
2019	112.029891967773
2020	109.148918151855
2021	110.70588684082
2022	113.04891204834