Year % of population 2000 33.2074842000275 2001 31.9256350192306 2002 30.6715343994077 2003 29.4304809954382 2004 28.197700650819 2005 26.9740211339744 2006 25.7580583340318 2007 24.5510548122313 2008 23.3516687738699 2009 22.1611039334494 2010 20.9788596864517 2011 19.8044783044377 2012 18.6382909379605 2013 17.5006183026863 2014 16.3823378421932 2015 15.2703004024548 2016 14.1641007568194 2017 13.0644118245455 2018 11.9691320644868 2019 10.8783321917993 2020 9.79240734551569 2021 9.10779321583453 2022 8.55303060540661