Year % gross 1990 0.193309992551804 1992 0.33160001039505 1999 1.15070998668671 2000 1.22001004219055 2003 2.81416010856628 2009 5.0835599899292 2010 5.18068981170654 2011 7.49490022659302 2012 8.63230991363525 2013 8.70575046539307 2014 8.55768013000488