Year	% (national estimate)
1961	47.55043227665706
1971	21.811805961426067
1981	37.87302684641087
1991	41.933076253265334
1994	35.772429882842225
2000	37.06601939402722
2001	48.06883365200765
2005	44.86283987915408
2010	36.29422180918533
2012	34.5548609614141
2018	28.089416033686714
2019	32.23980686695279
2020	35.241673737088064
2021	36.00532623169108
2022	37.11437689610339
2023	45.917365755342956