Year	% gross
1973	0.274839997291565
1988	85.1193389892578
1998	21.0771102905273
1999	18.7490005493164
2000	17.4767398834229
2001	17.3305206298828
2002	14.6385498046875
2003	11.9068298339844
2004	11.3545999526978
2005	11.2669897079468
2009	11.1716899871826
2010	13.1994256973267
2011	25.9335536956787
2013	32.827018737793
2015	32.0924491882324
2016	34.891040802002
2017	41.028678894043
2018	40.0368843078613
2020	44.4183197021484
2021	35.4140090942383
