Year	% gross
1975	5.55822992324829
1998	18.927339553833
1999	25.5551605224609
2004	18.0713996887207
2012	36.6104202270508
2014	40.7083015441895
2015	44.4315986633301
2018	44.9687995910645
2019	48.9245185852051
2020	46.1629295349121