Year	% of total population
1960	3.1129868906950056
1961	3.104357083269403
1962	3.0989127441361615
1963	3.0933188662655
1964	3.0877074123976853
1965	3.082005845068649
1966	3.076226163362164
1967	3.0704686583884726
1968	3.066004944556581
1969	3.0627674078058815
1970	3.059076988093164
1971	3.0548993478257986
1972	3.0512811008783425
1973	3.0494456611511906
1974	3.048512523311111
1975	3.047827167367112
1976	3.0500168802765755
1977	3.0539611158573097
1978	3.0585262510333746
1979	3.063721491794796
1980	3.0613984433722057
1981	3.0547044703324713
1982	3.0513609583967733
1983	3.0462964845452274
1984	3.041275788111485
1985	3.039502364315579
1986	3.0368640702331557
1987	3.0360746150566698
1988	3.0335192114742906
1989	3.02735297336883
1990	3.0226822000395406
1991	3.019496057134099
1992	3.0159889600399152
1993	3.0098613147185533
1994	2.999984037013951
1995	2.9884462488185584
1996	2.9795809829931477
1997	2.971716227674476
1998	2.9624629861950735
1999	2.9538608568601057
2000	2.9478651865580834
2001	2.943342811252696
2002	2.939324034159846
2003	2.9350466401672377
2004	2.9306409012789287
2005	2.9272107812056283
2006	2.9245275392316357
2007	2.9222270174715232
2008	2.9203711170788944
2009	2.9212117385643235
2010	2.9267171020302283
2011	2.9356278394534163
2012	2.945716829843542
2013	2.9537615436175138
2014	2.959519336221489
2015	2.968516785143995
2016	2.9838277550791332
2017	3.002631247010721
2018	3.0237011422351943
2019	3.045973900729968
2020	3.057471551084731
2021	3.0510951225551963
2022	3.0422728170268574
2023	3.047722712871163