Year	% (national estimate)
1990	30.107
1992	31.268
1999	42.589
2005	39.469
2006	43.765
2008	41.687
2009	42.344
2011	42.007
2012	34.639
2013	37.318
2014	40.058
2015	31.681
2016	33.905
2017	35.065
2018	41.017
2019	43.718
2020	35.241
2021	52.834
2022	53.244