Year	% gross
1999	24.0955104827881
2000	22.3060302734375
2001	21.8739395141602
2002	21.162239074707
2003	22.4942092895508
2004	22.1858596801758
2005	27.3755702972412
2006	27.0683994293213
2007	30.4262294769287
2008	30.77174949646
2009	29.3740005493164
2010	30.7241897583008
2011	29.9686298370361
2012	30.3818492889404
2013	10.6365404129028
2014	11.051739692688
2015	10.7517499923706
2016	12.5721197128296