Year	% of population
2000	0.652111962491233
2001	0.604077281205455
2002	0.553831647875852
2003	0.504494649968157
2004	0.456030127539176
2005	0.408462589367645
2006	0.361766322092022
2007	0.315919846585721
2008	0.270913312577919
2009	0.226748831423479
2010	0.183404948253641
2011	0.140864727457722
2012	0.0991154887640512
2013	0.058153863895991
2014	0.0179666524949481
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0
2022	0