Year % gross 1995 1.29508996009827 1998 1.12838995456696 1999 0.919790029525757 2000 1.13461005687714 2005 1.4607800245285 2007 0.733680009841919 2008 0.997349977493286 2010 2.48938775062561 2011 5.40244960784912 2012 9.8813648223877 2013 14.5684499740601 2014 18.0163898468018 2015 22.0730686187744 2016 27.135440826416 2017 28.1825332641602 2018 34.2585945129395 2019 35.6878814697266 2020 32.7698097229004 2021 52.1009750366211