Year % gross 1999 26.0681400299072 2000 28.4734802246094 2001 27.7578907012939 2002 26.8239307403564 2003 27.6867008209229 2004 27.8385906219482 2005 33.9185104370117 2006 34.0321807861328 2007 36.7952499389648 2008 37.2363395690918 2009 36.1600494384766 2010 37.2204513549805 2011 37.1072883605957 2012 37.3734512329102 2013 16.643180847168 2014 17.6807403564453 2015 17.2689609527588 2016 18.4336795806885