Year	% of total population ages 15+ (national estimate)
1989	60.23211878901213
1992	60.68029760916035
1993	59.75562195522517
1994	59.286799632627684
1995	59.78251406736863
1996	58.300645246805324
1997	57.377309715920845
1998	58.036485203094124
1999	58.90287256624115
2000	58.92408094921367
2001	58.579828657530946
2002	58.4168608074117
2003	58.18787217059412
2004	58.164728620126816
2005	58.167848004117054
2006	58.289775106203415
2007	59.378089408994285
2008	59.75554043658628
2009	59.896017227242695
2010	60.15216553585107
2011	60.38206271178031
2012	60.56632380480276
2013	60.65160123900247
2014	60.6579641598112
2015	61.00713435990948
2016	60.96976633168084
2017	60.18651630243859
2018	60.3654968942115
2019	60.012833816991304
2020	58.495122977048
2021	58.78793357341426
2022	59.64767726611609
2023	58.92323498782611