Year % gross 1972 11.2549600601196 1987 12.8809995651245 1988 15.2964496612549 1989 16.641939163208 1990 19.391300201416 1994 24.1547603607178 2001 64.5670166015625 2002 68.3368682861328 2003 71.3857803344727 2004 71.5564498901367 2005 75.5061874389648 2006 89.0824432373047 2007 88.5063018798828 2008 86.976448059082 2009 88.6057510375977 2010 91.3460464477539 2011 93.1658401489258 2012 94.6167068481445 2013 95.9122772216797 2014 93.6108322143555 2015 92.8807525634766 2016 92.5967025756836 2017 91.7892990112305 2018 88.0045471191406 2019 88.3002700805664 2020 91.2245101928711 2021 90.665153503418