Year	% of total population
1960	56.6418008802571
1961	56.5941356616728
1962	56.5146044119085
1963	56.3891530738931
1964	56.1557320939068
1965	55.9879991906528
1966	55.9623593870475
1967	55.9299231224128
1968	55.8889940902306
1969	55.8306371389811
1970	55.7408107382245
1971	55.6120315852145
1972	55.4492096906554
1973	55.2606661512051
1974	55.0505000749933
1975	54.8205314923881
1976	54.5733102870571
1977	54.312311391803
1978	54.0459728203931
1979	53.7846257644776
1980	53.5464535364085
1981	53.3435410120363
1982	53.1669938769785
1983	53.0101997738095
1984	52.8772550670024
1985	52.7724222435178
1986	52.6912144839528
1987	52.6190503187377
1988	52.5430535782417
1989	52.4456926724027
1990	52.3446547367627
1991	52.2489830872143
1992	52.1350093198452
1993	52.0263095990369
1994	51.9292183871579
1995	51.8615297334203
1996	51.8119570114493
1997	51.5141169827557
1998	51.2078693332349
1999	51.099591835836
2000	50.9214022317709
2001	50.5481239781063
2002	50.3479130608183
2003	50.4785571371647
2004	50.5965268090006
2005	50.6687470928291
2006	50.7872730926385
2007	51.0089654100051
2008	51.2726711272283
2009	51.529618394697
2010	51.7782990542783
2011	52.0496381359977
2012	52.3437224827625
2013	52.627184107719
2014	52.9228453807477
2015	53.2115499584831
2016	53.4605986010375
2017	53.6974966931256
2018	53.9424977465906
2019	54.211730758949
2020	54.5038309856702
2021	54.8107894039465
2022	55.1342143589011
2023	55.4793725598304