Year	% gross
1999	37.6240501403809
2001	41.6608505249023
2003	42.6577186584473
2004	43.4701805114746
2005	42.3794708251953
2008	39.7109985351562
2010	40.9379692077637
2011	42.7542686462402
2012	43.2479400634766
2013	45.315299987793
2016	47.2419013977051