Year % (cumulative) 2002 37.6199989318848 2003 38.3600006103516 2004 39.9199981689453 2005 41.0900001525879 2006 38.2727699279785 2007 42.1407890319824 2008 44.0099983215332 2009 43.7599983215332 2010 44.3400001525879 2011 45.5699996948242 2012 46.5499992370605 2013 48.4000015258789 2014 49.6100006103516 2015 50.5299987792969 2016 52.3699989318848 2017 53.5499992370605 2018 55.0099983215332 2019 56.5699996948242 2020 58.8499984741211 2021 59.2900009155273 2022 61.2900009155273