Year	% of total population
1960	85.37578318227584
1961	85.07003704606409
1962	84.75488181583296
1963	84.41974632585256
1964	84.06959183442275
1965	83.7072075466565
1966	83.34608908775249
1967	82.97589878259905
1968	82.59672403563792
1969	82.20703852039684
1970	81.82799849131966
1971	81.416963184331
1972	80.98674776310496
1973	80.55457699542545
1974	80.13279211876434
1975	79.70361007674911
1976	79.26758751167799
1977	78.83860928620275
1978	78.39912108739023
1979	78.00480556968837
1980	77.61827528090383
1981	77.20123022127818
1982	76.79207883558585
1983	76.34445414655251
1984	75.84751737463826
1985	75.30558251840226
1986	74.73753938481697
1987	74.16844183985506
1988	73.60041465168568
1989	73.03974980333207
1990	72.48913149516679
1991	72.0500178284048
1992	71.62061305393307
1993	71.1902171062617
1994	70.763887232987
1995	70.37064710818763
1996	70.0342156365607
1997	69.67945408483882
1998	69.3147949047113
1999	68.95244796008932
2000	68.59049148718012
2001	68.16416897601441
2002	67.72734071999876
2003	67.28834060008465
2004	66.84432302206018
2005	66.38431113439212
2006	65.92684000691148
2007	65.51139376274513
2008	65.00829022594907
2009	64.50037138612637
2010	63.98481980143205
2011	63.462985812749984
2012	62.951468309729385
2013	62.43812676579423
2014	61.910932412645565
2015	61.368680807855306
2016	60.83909623547231
2017	60.3128034996046
2018	59.77545467365762
2019	59.240717136286385
2020	58.705583876301525
2021	58.16994713170128
2022	57.63170330629842
2023	57.089763043963046