Year	% of population
2007	2.37063564898329
2008	1.76304170634538
2009	1.30132169855045
2010	1.29763740553969
2011	2.81371031403409
2012	1.44187377377275
2013	2.08918429757224
2014	1.29935594413083
2015	0.792243441788149
2016	1.7159432082414
2017	1.62777467416318
2018	2.97261014727863
2019	0.911163520328564
2020	1.62152447731143