Year	% of population
2000	1.60516878432545
2001	1.48479697759106
2002	1.36779012919972
2003	1.25406976884724
2004	1.1435872305993
2005	1.0363804477457
2006	0.932320927917206
2007	0.831373593167526
2008	0.733479863879262
2009	0.638627051821014
2010	0.546714736324752
2011	0.459204767419372
2012	0.374282601010117
2013	0.367480377440179
2014	0.360761296411459
2015	0.354156429588048
2016	0.34764502502417