Year % gross 1994 67.3908767700195 1995 70.8046569824219 1996 72.6908798217773 1997 73.9895706176758 1998 70.9012908935547 1999 72.9176712036133 2000 74.284553527832 2001 75.4970321655273 2002 77.1587829589844 2008 94.6839294433594 2009 97.5690536499023 2010 99.2130508422852 2011 99.2025833129883 2012 99.13818359375 2013 98.6898880004883 2014 97.6963500976563 2015 97.0794296264648 2016 95.8841094970703 2017 95.2018890380859 2018 95.9272232055664 2019 96.4022827148438 2020 96.4480667114258