Year % (cumulative) 2003 37.1579704284668 2004 38.2164840698242 2005 39.3207969665527 2006 40.4496421813965 2007 41.8502922058105 2008 43.1608963012695 2009 44.4543647766113 2010 45.2594108581543 2011 46.3700790405273 2012 47.112419128418 2013 48.1300163269043 2014 49.1062240600586 2015 49.551025390625 2016 50.2355842590332 2017 50.6431159973145 2018 51.3774566650391 2019 51.8208961486816 2020 52.1812782287598 2021 52.5475425720215 2022 52.8652153015137