Year	% gross
1990	0.686200022697449
1992	0.605189979076385
1993	0.60479998588562
1996	0.848429977893829
1999	1.3730800151825
2000	1.49466001987457
2003	3.40087008476257
2007	4.53015995025635
2009	6.47693014144897
2010	6.35279989242554
2011	8.7821798324585
2012	9.47585010528564
2013	9.46988964080811
2014	9.6282901763916