Year % of population 2000 46.729636178755754 2001 47.86812037326697 2002 49.30230468961076 2003 50.7430751956954 2004 52.19048686851748 2005 53.65934964330763 2006 55.13210029910002 2007 56.60565418741403 2008 58.08114916695726 2009 59.55118845862911 2010 61.01452692575728 2011 62.3747333106348 2012 63.82100784939585 2013 65.26525079078692 2014 66.70529310638425 2015 68.13837165862489 2016 69.55661106379243 2017 70.79774630829372 2018 72.14221701699198 2019 73.44894673283338 2020 74.70390426457944 2021 76.20763300954998 2022 77.36957312121092