Year	% gross
1970	1.32128000259399
1971	1.33477997779846
1972	1.37741005420685
1973	1.38015997409821
1974	1.39324998855591
1975	1.42887997627258
1976	1.45860004425049
1977	1.59895002841949
1978	1.67930996417999
1979	1.85236001014709
1980	1.94834005832672
1981	2.05047988891602
1982	2.24509000778198
1983	2.27266001701355
1984	2.31961011886597
1985	2.37102007865906
1986	2.36841011047363
1987	2.45582008361816
1988	2.33421993255615
1989	2.30616998672485
1990	2.36094999313354
1991	2.37709999084473
1992	2.37753009796143
1993	2.52385997772217
1994	2.52958989143372
1995	2.60376000404358
1996	2.75696992874146
1997	2.9176299571991
1998	3.11402010917664
1999	3.37159991264343
2000	3.68150997161865
2001	4.11892986297607
2002	4.23108005523682
2003	4.32017993927002
2004	4.46743011474609
2005	4.89729022979736
2006	5.32593011856079
2007	5.64239978790283
2008	6.18422985076904
2009	6.88086986541748
2010	7.53048992156982
2011	7.92860984802246
2012	8.35301971435547
2013	8.71267986297607
2014	8.97496032714844
2015	9.34461975097656
2016	9.47618007659912
2017	9.65721988677979
2018	10.1290302276611
2019	10.731369972229
2020	11.0332498550415
2021	11.1383199691772
2022	11.4167995452881