Year % gross 1970 11.9029598236084 1971 8.52999019622803 1977 17.0757102966309 1992 19.8726100921631 1993 56.4235496520996 1995 64.1930999755859 1996 62.13671875 1997 64.827751159668 1998 49.9411315917969 1999 54.3404083251953 2000 59.5702209472656 2001 62.214111328125 2002 66.7514190673828 2003 60.6119003295898 2004 72.8052825927734 2005 77.4606704711914 2006 84.7400665283203 2007 87.4075775146484 2010 49.0246505737305 2011 93.4552307128906 2012 110.788673400879 2013 105.800201416016 2014 103.984306335449 2015 103.23217010498 2016 97.100227355957 2017 90.2985076904297 2018 87.9341888427734 2019 83.4360885620117 2020 74.3178329467773