Year % of population 2000 44.5914653074605 2001 44.5623150578252 2002 44.5331648081898 2003 44.5040145585545 2004 44.4748643089191 2005 44.4457140592838 2006 44.4165638096484 2007 44.3874135600131 2008 44.3582633103777 2009 43.543423202197 2010 42.7296164129313 2011 41.916842942581 2012 41.1051027911462 2013 40.2943959586265 2014 39.4847224450221 2015 38.6760822503333 2016 37.8684753745595 2017 37.0619018177014 2018 37.037401503185 2019 37.0129011886686 2020 36.9884008741522 2021 36.9639005596358 2022 36.9941525462553