Year % (cumulative) 2002 31.9500007629395 2003 33 2004 34.6800003051758 2005 35.5499992370605 2006 32.2699394226074 2007 36.5652694702148 2008 38.5499992370605 2009 38.439998626709 2010 39.2299995422363 2011 40.3699989318848 2012 41.4700012207031 2013 43.4900016784668 2014 44.6500015258789 2015 45.5499992370605 2016 47.5999984741211 2017 48.7999992370605 2018 50.3800010681152 2019 52.0099983215332 2020 54.2400016784668 2021 55.0900001525879 2022 57.2599983215332