Year	% gross
2001	26.3061408996582
2003	36.8146705627441
2004	44.5923118591309
2005	44.1614112854004
2008	37.4833488464355
2009	44.0381011962891
2010	42.1640892028809
2011	42.8899993896484
2014	15.2625503540039
2015	23.8139896392822
2016	15.6986303329468
2017	19.4535293579102
2018	24.381010055542