Year % gross 1999 56.6767387390137 2000 51.6197395324707 2001 53.7053489685059 2002 55.6208381652832 2003 55.955020904541 2004 56.7415504455566 2005 56.5728492736816 2006 57.0847396850586 2007 49.6300811767578 2008 49.7165298461914 2009 51.2473793029785 2010 52.5291481018066 2011 55.7225914001465 2012 57.3819999694824 2013 58.2093811035156 2014 58.9934997558594 2015 58.5211296081543 2016 58.9292793273926 2017 61.2615394592285 2018 62.4728012084961 2019 63.8906898498535 2020 65.2806091308594 2021 63.681209564209