Year % of population 2000 34.512114497508726 2001 35.28973864884848 2002 36.28589035965304 2003 37.29417726476599 2004 38.30513873405595 2005 39.303253947905134 2006 40.29937512287375 2007 41.30552853702418 2008 42.32135954453173 2009 43.34086619725459 2010 44.39928243731532 2011 45.455661836918416 2012 46.47325820347001 2013 47.4912656802251 2014 48.51285477889292 2015 49.536500880138206 2016 50.5585413774461 2017 51.584782618806585 2018 52.61065554597372 2019 53.65531707156272 2020 54.71591937904233 2021 55.78942166582657 2022 57.24612095790234