Year	% gross
1970	44.7314910888672
1971	51.2206497192383
1972	55.7315292358398
1973	58.9869499206543
1974	59.7990188598633
1975	58.9430503845215
1976	59.1911506652832
1977	61.1754493713379
1978	62.5192413330078
1979	64.34326171875
1980	64.1004867553711
1981	64.4063720703125
1982	64.3960266113281
1983	68.9108734130859
1984	71.4836578369141
1985	74.3840866088867
1986	75.7795104980469
1988	79.0624465942383
1989	77.1247787475586
1990	73.9142990112305
1991	91.6012878417969
1992	91.6799011230469
1993	73.0214462280273
1998	79.3335189819336
1999	82.0896224975586
2000	86.9013595581055
2002	89.4216384887695
2003	90.6209564208984
2004	91.0151062011719
2005	92.0045623779297
2006	91.9973297119141
2007	91.5507965087891
2008	91.5420074462891
2009	89.8597564697266
2010	90.99951171875
2011	90.9826202392578
2012	89.5031433105469
2013	99.1520767211914
2014	99.8654403686523
2015	100.921676635742
2016	101.488136291504
2017	102.294822692871
2018	103.173049926758
2019	104.405769348145
2020	103.691688537598
2021	106.673522949219
2022	106.068328857422