Year	% gross
1970	5.9621000289917
1971	6.56168985366821
1972	7.15897989273071
1973	8.58298015594482
1974	9.92286968231201
1975	11.9130802154541
1976	12.8235702514648
1977	13.1167898178101
1979	13.626070022583
1980	14.7609300613403
1981	15.8515100479126
1982	17.5148506164551
1985	20.7746200561523
1991	28.7804298400879
1993	32.0543785095215
1995	34.1439895629883
1998	56.6247596740723
1999	55.8841209411621
2000	58.6718101501465
2001	62.2155303955078
2002	60.2289886474609
2003	59.6043510437012
2004	62.5760803222656
2005	64.3498916625977
2006	65.4348220825195
2007	69.9131088256836
2008	73.926513671875
2009	78.4432601928711
2010	79.099479675293
2011	76.8471908569336
2012	76.0289077758789
2013	83.4964828491211
2014	87.2746810913086
2015	89.5449523925781
2016	93.6621932983398
2017	98.0953521728516
2018	103.476898193359
2019	106.013496398926
2020	103.315872192383
2021	97.3326568603516