Year	% gross
1999	9.87100028991699
2000	10.5459203720093
2001	9.55533027648926
2002	9.94731998443604
2003	10.917010307312
2004	11.8806200027466
2005	12.6515998840332
2006	13.6056804656982
2007	14.4024801254272
2008	15.0291900634766
2009	15.2523002624512
2010	15.5014801025391
2011	15.1032104492188
2012	15.3591003417969
2013	16.0802001953125
2014	18.1309700012207
2015	20.8051795959473
2016	23.8151302337646
2017	26.1870899200439