Year	% of population
2000	8.63275659431216
2001	8.60568291717697
2002	8.57854292401823
2003	8.52485562316555
2004	8.16367386778058
2005	7.80802849890678
2006	7.4577966343103
2007	7.11304077462342
2008	6.77376094148105
2009	6.44020656712474
2010	6.11224279579315
2011	5.78984608187648
2012	5.47299173422309
2013	5.1618902021429
2014	4.8571244900562
2015	4.55851159884099
2016	4.26585721618869
2017	3.97895666032207
2018	3.69751730848705
2019	3.42133747273504
2020	3.15018379198479
2021	2.88380559310119
2022	2.62199274018654