Year % of population 2000 29.61481677935502 2001 29.96017131266645 2002 30.2906105505374 2003 31.045059002275554 2004 31.80993714726965 2005 32.58301373423392 2006 33.36801671901852 2007 34.16351328375885 2008 34.969397890001765 2009 35.78526065993534 2010 36.603945274350096 2011 37.442359242118606 2012 38.49342182510019 2013 39.56196622199601 2014 40.64799126104916 2015 41.75014149137213 2016 42.86529736658109 2017 43.770728869033384 2018 44.98861006678813 2019 46.218453561171714 2020 47.39922324040131 2021 48.586488495035844 2022 49.436657636638515