Year	% (national estimate)
2000	27.769
2001	27.172
2002	28.394
2003	27.737
2004	26.224
2005	27.751
2006	27.911
2007	29.789
2008	31.185
2009	31.399
2010	32.29
2011	33.491
2012	36.274
2013	38.67
2014	40.62
2015	41.185
2016	42.878
2017	44.83
2018	47.852
2019	49.213
2020	50.504
2021	52.342
2022	55.122
2023	55.517