Year	% of total population
1960	52.2878229735642
1961	52.2269988321297
1962	52.1240365656928
1963	52.0610006856032
1964	52.002863740178
1965	51.9500175938278
1966	51.9022674531941
1967	51.8610795097955
1968	51.825953120117
1969	51.7962486086611
1970	51.7710838332152
1971	51.7497576559793
1972	51.7258941829487
1973	51.694767663576
1974	51.661695170019
1975	51.6292141816535
1976	51.5948814065263
1977	51.5618041860169
1978	51.5325603304115
1979	51.5066788998947
1980	51.4888498278901
1981	51.4837692364688
1982	51.4865209518223
1983	51.4893582398969
1984	51.4906386372521
1985	51.4926879429388
1986	51.4952067679008
1987	51.4970737160849
1988	51.4983975898365
1989	51.4997160272087
1990	51.5034374210097
1991	51.5223513068564
1992	51.5450364335529
1993	51.5577654139318
1994	51.5717348826862
1995	51.5871544393196
1996	51.6043518652656
1997	51.6249339639451
1998	51.6537086065679
1999	51.691285548882
2000	51.7258301237224
2001	51.7514792316495
2002	51.7739970641181
2003	51.7855361096464
2004	51.7902763373835
2005	51.8027328505989
2006	51.8235637333235
2007	51.8506545483512
2008	51.8764063886723
2009	51.9019817029946
2010	51.9284669419479
2011	51.9518777134198
2012	51.9724423192186
2013	51.9926319033615
2014	52.0103632574934
2015	52.0237792532904
2016	52.0350612441428
2017	52.0413723998242
2018	52.043189650325
2019	52.047869925589
2020	52.0617205343024
2021	52.0731573111332
2022	52.0690894311533
2023	52.0553352551665