Year % of population 2003 1.15839757926285 2004 1.59198173537512 2005 2.57474180121596 2006 3.55761270200921 2007 4.54042802361367 2008 5.52326911153632 2009 6.50623097581648 2010 7.48912776202824 2011 8.47204996489013 2012 9.45510331043046 2013 10.438080598668 2014 11.4228587970816 2015 12.4097077829807 2016 13.3985580169045 2017 14.3897972416187 2018 15.3835909488765 2019 16.3799786583271 2020 17.3792467257484 2021 18.3815591811518 2022 18.4020078475938