Year	% of total population
1960	2.12163151672424
1961	2.14021540000306
1962	2.16582879198813
1963	2.19663943513026
1964	2.23119633894957
1965	2.26845895350867
1966	2.30714914193624
1967	2.34723581327889
1968	2.38847114951265
1969	2.43036382305089
1970	2.47296932189775
1971	2.51154388116016
1972	2.54746137372322
1973	2.58997800889701
1974	2.63350277844958
1975	2.67640096602503
1976	2.72125631173244
1977	2.76366740835794
1978	2.80011820186263
1979	2.83113544614457
1980	2.86004408603235
1981	2.88498426758614
1982	2.90247471695351
1983	2.91147652232355
1984	2.91175684789335
1985	2.90754020486185
1986	2.89923555253305
1987	2.88359691643083
1988	2.86224000827687
1989	2.83481672992173
1990	2.8013297601644
1991	2.76205856002516
1992	2.71684613415304
1993	2.66601818695802
1994	2.61126926001048
1995	2.55489249924241
1996	2.49664316776255
1997	2.43625078193083
1998	2.3730838042951
1999	2.30699906889168
2000	2.23813026245387
2001	2.16702926606181
2002	2.09450031112632
2003	2.02120024990574
2004	1.94736010445116
2005	1.87505003965153
2006	1.80591321588491
2007	1.74046209925084
2008	1.67934879548128
2009	1.62580557051774
2010	1.58186971333133
2011	1.54786627645857
2012	1.52644646509768
2013	1.52108221538109
2014	1.53361054098176
2015	1.55414645579587
2016	1.57608854004146
2017	1.59957669489324
2018	1.62235117840021
2019	1.64536586115465
2020	1.66481584536345
2021	1.67717150809253
2022	1.69406355632542
2023	1.71931426761012