Year	% of total population
1960	66.22349605399921
1961	65.50368599043858
1962	64.7797707482757
1963	64.04910674713447
1964	63.31039971290405
1965	62.53958468494753
1966	61.81764543916587
1967	61.178296353254105
1968	60.51805251734671
1969	59.856257158197515
1970	59.19295565008726
1971	58.554674214766884
1972	57.90527491835039
1973	57.254340814482575
1974	56.62250607101187
1975	55.998001925215576
1976	55.3359679551873
1977	54.72256192416704
1978	54.230498475883536
1979	53.75020012391095
1980	53.20692792870113
1981	52.65253666405914
1982	52.109189212432064
1983	51.57836435069895
1984	51.04392792231012
1985	50.53865163689812
1986	50.02889835427842
1987	49.57682339724997
1988	49.2148917772747
1989	48.87649303989349
1990	48.5422201623039
1991	48.20539881016167
1992	47.80080004944829
1993	47.3802412984764
1994	46.97142010016627
1995	46.62371108909699
1996	46.29586238457408
1997	45.96320811151612
1998	45.60632137800645
1999	45.243367367956765
2000	44.87852899595251
2001	44.51552133073252
2002	44.17199931429716
2003	43.83469760325923
2004	43.48393032940787
2005	43.09858765017751
2006	42.71882913840239
2007	42.38442425960623
2008	42.051764283020496
2009	41.705974255750704
2010	41.3666897481774
2011	41.14708341508735
2012	40.927922602448874
2013	40.60413299827198
2014	40.222900716295705
2015	39.81479699599895
2016	39.483191499585814
2017	39.17971292703932
2018	38.87805409497849
2019	38.58255459739575
2020	38.28265557099278
2021	37.97349575121977
2022	37.6688163312963
2023	37.37200896655317