Year	% gross
1990	0.984529972076416
1998	0.698610007762909
1999	0.653699994087219
2002	0.913380026817322
2011	9.24874973297119
2013	10.1092901229858
2015	9.69124031066895
2016	10.5380296707153
2017	10.6300001144409
2018	10.293999671936
2019	11.6520004272461