Year	% gross
1971	111.641899108887
1972	111.043022155762
1973	109.423950195312
1974	106.251167297363
1975	110.275772094727
1976	108.357528686523
1977	112.520011901855
1978	113.066078186035
1979	109.160507202148
1980	104.845428466797
1981	101.604827880859
1982	106.442802429199
1984	107.851577758789
1986	111.785491943359
1987	119.409118652344
1988	118.980171203613
1990	116.038772583008
1991	114.53556060791
1992	108.446670532227
1993	116.593772888184
1994	118.887336730957
1995	119.235130310059
1999	120.584701538086
2000	118.295989990234
2001	115.175331115723
2002	111.580657958984
2003	108.102523803711
2004	104.943130493164
2005	104.136329650879
2006	102.44856262207
2007	102.733856201172
2008	102.762771606445
2009	104.031852722168
2010	105.033561706543
2011	106.952293395996
2012	109.286102294922
2013	107.518493652344
2014	108.901779174805
2015	102.335998535156
2016	102.390937805176
2017	101.49299621582
2019	89.9956130981445
2020	91.7111511230469
2021	92.4860687255859
2022	91.8765411376953