Year	% gross
1992	122.16716003418
1993	124.661727905273
1994	126.777557373047
1995	123.391723632812
1996	123.356567382812
1997	119.866271972656
1998	128.017730712891
1999	128.83171081543
2000	128.730834960938
2001	125.847297668457
2002	122.657241821289
2003	121.731597900391
2004	120.466529846191
2005	115.221557617188
2006	113.554313659668
2007	109.413101196289
2008	107.085792541504
2009	106.55680847168
2010	103.227996826172
2011	102.551002502441
2012	98.9000015258789
2013	97.8059997558594
2014	98.3840026855469
2015	100.884956359863
2016	101.256317138672
2017	99.6709976196289
2018	99.2269973754883
2019	99.1760025024414
2020	99.5790023803711
