Year	% gross
1981	110.283271789551
1986	111.660438537598
1991	97.8989562988281
1992	93.1367568969727
1993	83.264892578125
1994	82.6728591918945
1995	80.7784729003906
1996	81.996223449707
1997	82.8644180297852
1999	83.75341796875
2000	84.796257019043
2001	86.7021484375
2002	88.5937194824219
2003	90.795768737793
2004	87.303596496582
2005	90.4563827514648
2006	92.8652877807617
2007	99.7487411499023
2008	101.469268798828
2009	98.0209274291992
2013	105.448738098145
2014	105.019508361816
2015	106.208358764648
2016	107.345481872559
2017	109.0791015625
2018	111.162422180176
2019	111.499992370605
2020	107.726676940918
2021	105.999618530273
2022	103.779502868652