Year	% gross
1972	20.6837692260742
1973	23.0877304077148
1974	27.6350994110107
1975	34.1258506774902
1978	58.4902191162109
1979	64.1550064086914
1980	76.2880325317383
1981	76.8144989013672
1982	77.2841567993164
1983	73.8369979858398
1984	77.051643371582
1985	77.7896194458008
1986	79.5526504516602
1987	81.581169128418
1988	83.3894577026367
1989	85.6128082275391
1990	86.4118499755859
1991	86.1205062866211
1992	84.0553283691406
1993	82.1351089477539
1994	78.4054107666016
1995	74.2792129516602
1996	80.4905090332031
1997	77.6419830322266
1999	77.2520217895508
2000	79.9612808227539
2001	82.1846389770508
2002	88.7956924438477
2003	92.4243316650391
2004	90.3124237060547
2005	91.5974807739258
2006	92.2896118164062
2007	92.982551574707
2008	93.2167205810547
2009	92.0112228393555
2010	92.5029220581055
2011	92.2591705322266
2012	90.2160186767578
2013	90.8342666625977
2014	95.3517913818359
2015	94.9921798706055
2016	96.660041809082
2017	98.4704208374023
2018	99.5152969360352
2019	100.602783203125
2020	101.663398742676
2021	99.2283782958984
2022	102.965476989746