Year % gross 1991 51.0044898986816 1996 46.5910987854004 1997 48.2186584472656 1998 52.0523910522461 1999 55.7815093994141 2000 58.7858810424805 2001 61.7345886230469 2002 65.315803527832 2003 68.7014694213867 2004 70.3980712890625 2005 73.4594116210938 2006 76.9113922119141 2007 81.4798889160156 2008 83.8984832763672 2009 90.1958618164062 2010 97.3056488037109 2011 106.487548828125 2012 114.128189086914 2013 115.642181396484 2014 113.28101348877 2015 111.178848266602 2016 106.445663452148 2017 100.953521728516 2018 91.4498519897461 2019 84.9704208374023 2020 81.3781433105469 2021 78.4558410644531 2022 75.0818328857422