Year % of population 2000 12.12665297411099 2001 12.499208125746106 2002 12.931068863002906 2003 13.35021826144148 2004 13.780595115210701 2005 14.240737318311634 2006 14.737016711870835 2007 15.338709554808583 2008 15.881228942226443 2009 16.45796804851084 2010 17.096509605664792 2011 17.71426723846625 2012 18.355225071488245 2013 18.925909656518726 2014 19.58639575320651 2015 20.41094373810053 2016 21.31175893365723 2017 22.29740540187852 2018 23.485886597497878 2019 24.738263503273867 2020 26.03811839001029 2021 27.309352774274796 2022 28.570133375501584