Year % (cumulative) 2003 58.4944038391113 2004 59.6006317138672 2005 60.8923645019531 2006 62.2207832336426 2007 63.4940910339355 2008 64.3309631347656 2009 65.193229675293 2010 65.5379180908203 2011 66.066276550293 2012 66.7289505004883 2013 67.7131805419922 2014 69.0132904052734 2015 69.9276885986328 2016 70.9502182006836 2017 71.321174621582 2018 71.6847915649414 2019 72.3774795532227 2020 72.8823394775391 2021 73.4990463256836 2022 74.0304946899414