Year	% (national estimate)
1961	19.522426589222327
1974	3.8022392195987145
1981	5.325725154541132
1984	8.953540820929183
1985	9.403928652065929
1986	10.96941654440808
1989	75.6341189674523
1991	70.83663534473
1996	62.93375394321766
2000	64.05640908048612
2003	29.831788534157226
2006	33.63228179276258
2010	43.48412076063517
2013	41.047057672552945
2016	41.80100755667506
2017	45.05292907256364
2022	30.6796897587711