Year % (cumulative) 2004 69.5435791015625 2005 68.6361465454102 2006 68.5430603027344 2007 69.6406097412109 2008 72.6383285522461 2009 74.7516021728516 2010 77.9736480712891 2011 79.6150131225586 2012 80.3199462890625 2013 80.7942428588867 2014 81.4578323364258 2015 82.0068817138672 2016 82.905403137207 2017 83.6428909301758 2018 73.5726089477539 2019 85.7307662963867 2020 75.9682159423828 2021 76.8506622314453 2022 77.2250366210938