Year	% of total population
1960	49.7054411327095
1961	49.8568465509707
1962	49.9900030134457
1963	50.0407105572327
1964	50.0240485427308
1965	50.0153429411889
1966	50.0085781979951
1967	49.9961191690515
1968	49.9739110504988
1969	49.9470237826366
1970	49.9271184344761
1971	49.9199039600657
1972	49.9243676837741
1973	49.9399918277641
1974	49.9632049780685
1975	49.9869757574085
1976	50.0078478356977
1977	50.0228296564232
1978	50.0235167724096
1979	50.008205385629
1980	49.9875131053493
1981	49.9676579342131
1982	49.9495733801325
1983	49.9332611447316
1984	49.9162237424479
1985	49.8961840745433
1986	49.8709079390348
1987	49.840613563578
1988	49.8063672411274
1989	49.7833626065328
1990	49.7716561188804
1991	49.757213042998
1992	49.7415597806209
1993	49.7258305139692
1994	49.7098861182441
1995	49.6938636264158
1996	49.6766061400074
1997	49.6555294358694
1998	49.6328708254128
1999	49.6121454995866
2000	49.6275977884756
2001	49.6727535093612
2002	49.7050248595275
2003	49.7233011213398
2004	49.734490330578
2005	49.7439293857001
2006	49.7543430643078
2007	49.768483249624
2008	49.7861905237392
2009	49.8054346305733
2010	49.8191687758092
2011	49.8024372270802
2012	49.7650186276859
2013	49.7364113634662
2014	49.71743023946
2015	49.7054219429706
2016	49.698156990053
2017	49.6958362806562
2018	49.6946103828993
2019	49.6868919048518
2020	49.6638623576534
2021	49.6287392667742
2022	49.5940401946112
2023	49.56104407197