Year	% gross
1971	7.19511985778809
1972	7.79856014251709
1973	9.12397003173828
1974	10.0400896072388
1975	11.1768798828125
1976	13.2110395431519
1977	15.9715099334717
1978	19.4202499389648
1979	22.043399810791
1980	24.068660736084
1981	26.0175399780273
1982	28.9056396484375
1984	35.0886917114258
1985	38.0871505737305
1986	42.2856483459473
1987	44.2864112854004
1988	45.6175308227539
1989	52.5238189697266
1990	53.1498603820801
1991	53.0739212036133
1992	53.7778282165527
1993	54.557300567627
1994	56.2101211547852
1995	56.3353805541992
1996	56.5080108642578
1997	57.9410514831543
1999	65.9395065307617
2000	66.8723983764648
2001	71.6562576293945
2002	75.5760879516602
2003	79.3998336791992
2004	83.9158630371094
2005	86.4037399291992
2006	88.0847396850586
2007	77.0945892333984
2008	82.5352401733398
2009	98.0519027709961
2010	103.437492370605
2011	105.862823486328
2022	107.664253234863
2023	104.784278869629