Year	% gross
2003	100.738403320312
2004	101.127311706543
2005	105.259216308594
2006	109.116989135742
2007	113.339340209961
2008	116.319061279297
2009	109.377113342285
2010	104.239280700684
2011	95.0119094848633
2012	96.4406661987305
2015	97.1343307495117
2016	95.8880615234375
2017	96.9663467407227
2018	96.2034606933594
2019	98.8081970214844
2020	99.3468627929688
2021	99.8103179931641
2022	100.715858459473