Year	% gross
1989	66.1091003417969
1990	72.4218978881836
1991	77.74365234375
1994	82.0486297607422
1998	80.5298309326172
1999	77.7375564575195
2000	74.4354019165039
2001	74.0519866943359
2002	74.1750030517578
2003	73.8559036254883
2004	74.5919723510742
2005	75.274169921875
2006	77.9573822021484
2007	80.0853118896484
2008	79.496208190918
2009	81.1073532104492
2010	82.28125
2011	85.5104522705078
2012	89.485221862793
2013	98.806999206543
2014	100.185241699219
2015	109.862968444824
2016	103.453338623047
2017	106.135360717773
2018	103.842216491699
2019	106.780326843262
2020	104.28296661377
2021	106.166633605957
