Year % gross 1993 7.03462982177734 1997 9.31346988677979 1999 11.8472003936768 2000 16.38796043396 2002 31.5645294189453 2011 36.2339515686035 2012 40.8605613708496 2013 31.2208499908447 2014 38.1785507202148 2015 29.319730758667 2016 32.5405197143555 2017 38.9748382568359 2018 35.915210723877 2019 41.5157203674316