Year	% (national estimate)
1971	43.43155884685425
1981	52.4515420002324
1991	46.99214417806882
1994	43.12868514136288
2000	45.678808956734116
2001	42.43
2005	45.15346584059612
2010	38.284172299206716
2012	35.00027892047057
2018	28.747624751233054
2019	29.968190660836516
2020	28.75676112094689
2021	30.992820786864353
2022	29.668397012385874
2023	31.732644085085198