Year	% gross
1970	98.0537109375
1973	103.890327453613
1977	110.661247253418
1978	111.299140930176
1979	108.313102722168
1980	107.99536895752
1981	109.018112182617
1982	110.773986816406
1985	115.679000854492
1991	111.192359924316
1992	108.624778747559
1993	109.652038574219
1995	112.904441833496
1998	115.445022583008
1999	116.618492126465
2000	116.190452575684
2001	115.998893737793
2002	115.583862304688
2003	114.031509399414
2004	113.287437438965
2005	112.913261413574
2006	112.54817199707
2007	112.756080627441
2008	110.146606445312
2009	109.502708435059
2010	109.839912414551
2011	107.030662536621
2012	100.690902709961
2013	102.021697998047
2014	99.6204223632812
2015	98.9445724487305
2016	99.6659698486328
2017	97.6864776611328
2018	98.8335494995117
2019	102.4296875
2020	106.71492767334
2021	107.303283691406
2022	107.93302154541
2023	107.571998596191