Year	% (national estimate)
1992	49.7
1999	47
2000	47
2001	46.3
2002	45.2
2006	47.5
2007	47.66
2008	47.73
2009	47.208
2012	50.759
2013	51.132
2014	50.86
2015	51
2017	51.671
2018	52.608
2019	54.627
2020	54.963
2021	57.105
2022	57.645
2023	57.984