Year	% gross
1971	73.8060607910156
1972	74.7612915039062
1973	75.5984725952148
1974	80.4465103149414
1975	81.2411117553711
1976	82.0850219726562
1977	82.8723220825195
1978	82.8977508544922
1979	83.3185577392578
1980	83.2602996826172
1981	83.8227081298828
1982	84.7081985473633
1983	85.5790481567383
1984	85.6072769165039
1985	85.5928573608398
1986	86.3158416748047
1987	85.8152465820312
1988	85.843879699707
1989	86.681770324707
1990	88.2769775390625
1991	90.8964691162109
1992	93.2786026000977
1993	100.107269287109
1994	101.109169006348
1995	101.158683776855
1996	99.9301834106445
1997	98.1831436157227
1998	98.2667770385742
1999	101.122718811035
2000	101.950538635254
2001	101.895767211914
2002	103.456398010254
2003	103.657890319824
2004	105.84252166748
2005	106.555961608887
2006	99.3597717285156
2007	98.5470428466797
2008	99.5322036743164
2009	101.100021362305
2010	103.682922363281
2011	94.711669921875
2012	92.6368408203125
2013	128.694458007812
2014	131.064086914062
2015	127.840522766113
2017	127.923767089844
2018	122.094909667969
2019	118.850326538086
2020	116.058609008789
2021	115.144752502441
2022	113.725547790527