Year	% of total population
1960	77.7574304783651
1961	77.3205446466529
1962	76.88761276702333
1963	76.44706136407962
1964	76.007717822697
1965	75.54310472583401
1966	75.0812506262904
1967	74.61575633473225
1968	74.1600810802844
1969	73.70615651733438
1970	73.26620277056368
1971	72.80391447736092
1972	72.34402072732533
1973	71.90542601063989
1974	71.52538120773093
1975	71.15114121851279
1976	70.74733892481532
1977	70.34842731966039
1978	70.03547725377273
1979	69.7309067406092
1980	69.34784201999146
1981	68.90456002694091
1982	68.50571371064831
1983	68.07542927886168
1984	67.59588089351645
1985	67.1239514788043
1986	66.6371543483734
1987	66.14371003614238
1988	65.67937394453402
1989	65.26854773554702
1990	64.77662529094894
1991	64.52585241324904
1992	64.27947997751758
1993	64.03533246303665
1994	63.86633166909239
1995	63.72720443142796
1996	63.54974563389464
1997	63.36052809592029
1998	63.173461817952024
1999	62.98349126889306
2000	62.774689913784265
2001	62.48713240368248
2002	62.227733851201194
2003	61.96878940836171
2004	61.69301968597158
2005	61.40309898723146
2006	61.12982481827325
2007	60.901203394889755
2008	60.5536154897121
2009	60.19943410938525
2010	59.8392974725465
2011	59.53326088716043
2012	59.22981132266822
2013	58.88588299487363
2014	58.54007541954354
2015	58.16088306942708
2016	57.78530327701703
2017	57.418764732718735
2018	57.07008045988821
2019	56.7206396221238
2020	56.34549140529897
2021	55.95073170564185
2022	55.66399859477202
2023	55.22324815768076