Year % gross 2000 91.9245223999023 2001 90.5035781860352 2002 89.3096389770508 2003 89.3317108154297 2004 88.9171905517578 2005 89.385368347168 2006 89.7168502807617 2007 90.4361572265625 2008 91.3154678344727 2009 92.4529113769531 2010 92.6080322265625 2011 94.6896667480469 2012 94.9734725952148 2013 95.1216125488281 2014 95.0073089599609 2015 97.159553527832 2016 96.4994888305664 2017 95.6576766967773 2018 95.2566604614258 2019 94.5711975097656 2020 92.6907577514648 2021 92.8741836547852 2022 90.3377304077148