Year	% gross
2000	96.7313537597656
2001	96.6496124267578
2002	97.7734527587891
2003	97.3882293701172
2004	97.1988677978516
2005	99.8711776733398
2006	100.887046813965
2007	100.688270568848
2008	101.213508605957
2009	102.179481506348
2010	101.624328613281
2011	101.200538635254
2012	100.175346374512
2013	99.7619781494141
2014	99.152717590332
2015	99.3001174926758
2016	98.5455093383789
2017	99.3066864013672
2018	99.7954406738281
2019	100.477699279785
2020	100.735160827637
2021	99.1028137207031
