Year	% gross
1971	38.8344688415527
1972	43.3116798400879
1973	48.1286582946777
1974	51.3329315185547
1975	53.9342308044434
1976	59.6980094909668
1977	65.2161712646484
1978	69.9027328491211
1979	75.9975204467773
1980	79.2611770629883
1981	81.5159606933594
1982	77.877311706543
1983	74.32666015625
1984	65.8406372070312
1985	62.3132705688477
1986	61.1001091003418
1987	65.3927536010742
1988	66.1918106079102
1989	69.769401550293
1990	72.304573059082
1991	76.7702865600586
1992	76.4061813354492
1994	79.372802734375
1995	88.2502517700195
1996	92.9450073242188
1997	95.1951675415039
1998	97.6500015258789
1999	104.71704864502
2000	99.9793014526367
2001	102.12264251709
2002	104.884643554688
2003	103.333961486816
2004	103.173950195312
2005	102.885139465332
2006	106.727523803711
2007	101.379112243652
2008	102.702980041504
2009	114.094909667969
2010	119.998542785645
2011	118.70149230957
2012	122.764129638672
2013	124.343780517578
2014	121.447631835938
2015	125.935897827148
2016	122.437911987305
2017	121.078506469727
2018	120.495170593262
2019	120.649917602539
2020	122.486137390137
2021	119.657089233398
2022	121.214820861816