Year	% of total population
1960	3.08342450090238
1961	3.07113635827139
1962	3.05938752937012
1963	3.04873535206295
1964	3.03906685969076
1965	3.03004834695735
1966	3.02328794438396
1967	3.01991148555355
1968	3.02017566684982
1969	3.02475495179826
1970	3.03485430026346
1971	3.05214613116444
1972	3.07555161690041
1973	3.10538551706101
1974	3.14526628142123
1975	3.19455474855697
1976	3.25255893733963
1977	3.31650904434314
1978	3.38058411410065
1979	3.43934825796601
1980	3.48985793179371
1981	3.5332622862212
1982	3.56900599880822
1983	3.59844219786452
1984	3.62776269342235
1985	3.65841917207341
1986	3.69356237640124
1987	3.73536328367297
1988	3.7805573820957
1989	3.82938796358764
1990	3.88109648997355
1991	3.93708912829322
1992	3.99666590441762
1993	4.05761881464642
1994	4.1197365292948
1995	4.18429739744128
1996	4.25413470137629
1997	4.3299765629015
1998	4.41107214870847
1999	4.49487110714665
2000	4.58077213579945
2001	4.66871413196612
2002	4.75872384543357
2003	4.85398878965087
2004	4.95786637564536
2005	5.07364592072086
2006	5.20827324126735
2007	5.36309013446374
2008	5.53522577825702
2009	5.72023682763137
2010	5.91598672513017
2011	6.12736246220238
2012	6.35479883030204
2013	6.59289570272718
2014	6.85225616285138
2015	7.13136756646812
2016	7.40781253197114
2017	7.67156638362681
2018	7.93059145905333
2019	8.20401926925632
2020	8.47231076171452
2021	8.71970648973043
2022	8.99901750440644
2023	9.37006778369293