Year % of population 2000 44.8984082273486 2001 45.2970342463624 2002 45.6919055303477 2003 46.0834622820292 2004 46.4713175637238 2005 46.8550889845653 2006 47.2356370534844 2007 47.6121663782402 2008 47.9330066058152 2009 48.2284832138322 2010 48.5229924626543 2011 48.8157378335811 2012 49.1075284045421 2013 49.3975732778675 2014 49.6862851582852 2015 49.9740518201525 2016 50.2601122519687 2017 50.5448533651236 2018 50.8309405945818 2019 51.117947943385 2020 51.4062095308154 2021 51.6953125922784 2022 51.9852117120259