Year	% of total population
1960	4.25051474109505
1961	4.41129049465561
1962	4.55073493209547
1963	4.68633857973111
1964	4.84027473059349
1965	5.01612069989453
1966	5.21836100977921
1967	5.44477360541657
1968	5.66733592335765
1969	5.8548523804722
1970	5.99970792169612
1971	6.13667517874435
1972	6.25497637705653
1973	6.33867598612978
1974	6.42818966929375
1975	6.53753643114103
1976	6.6702619949736
1977	6.82294476225792
1978	6.97315770120909
1979	7.09461175156163
1980	7.17170222509841
1981	7.20737061749968
1982	7.21467844695823
1983	7.18688774517345
1984	7.13909815199933
1985	7.10376827528435
1986	7.0839869750949
1987	7.07744692872537
1988	7.07294084373423
1989	7.06227234327632
1990	7.04140563483853
1991	6.99377287387737
1992	6.88044397089593
1993	6.71922871403812
1994	6.56371122641401
1995	6.41949459864859
1996	6.29617741603083
1997	6.19404376868551
1998	6.09563034844427
1999	5.99215297481522
2000	5.88788016254467
2001	5.78514442816548
2002	5.68446392457709
2003	5.59681210338484
2004	5.53656694974089
2005	5.51234784895604
2006	5.51986022027687
2007	5.55717210846502
2008	5.62110045353406
2009	5.70707516874348
2010	5.81358983662875
2011	5.93087935759246
2012	6.04496602492122
2013	6.14522440174979
2014	6.21008546106129
2015	6.28089053119502
2016	6.39743061634773
2017	6.52556967542268
2018	6.66783435016635
2019	6.84383566122782
2020	7.04254715273581
2021	7.23605396551855
2022	7.44888283380674
2023	7.75180067126908