Year	% gross
2010	102.990997314453
2011	103.067001342773
2012	103.564002990723
2013	103.093002319336
2014	102.34400177002
2015	101.671997070312
2016	100.773208618164
2017	100.626953125
2018	100.261871337891
2019	100.692581176758
2020	100.535911560059
2021	99.8746490478516