Year	% gross
1986	104.70157623291
1989	96.7532119750977
1990	94.4131774902344
1991	91.3322906494141
1992	87.9720077514648
1993	82.9414291381836
1994	80.8514404296875
1995	81.3154678344727
1996	83.9889297485352
1997	86.4249801635742
1998	88.2379379272461
1999	91.6100082397461
2000	96.9156875610352
2001	99.6236419677734
2002	102.291709899902
2003	105.020172119141
2004	103.009536743164
2005	104.49723815918
2006	107.004852294922
2007	106.929290771484
2008	106.108779907227
2009	104.755882263184
2010	105.068267822266
2011	106.008163452148
2012	106.17350769043
2013	108.994407653809
2014	108.184776306152
2015	107.672927856445
2016	107.42977142334
2017	108.401756286621
2018	108.237937927246
2019	108.445510864258
2020	108.727897644043
2021	109.326232910156