Year	% of total population
1960	3.73999612512854
1961	3.84395382218881
1962	4.21760613823162
1963	4.84713436440869
1964	5.16310653328521
1965	5.05187358480576
1966	4.83813423455294
1967	4.6433627893644
1968	4.47311713009328
1969	4.32990812461322
1970	4.21472528282419
1971	4.13033829388867
1972	4.10699080194048
1973	4.13921696763564
1974	4.18611548000918
1975	4.23639667208568
1976	4.28743379565579
1977	4.33541855392738
1978	4.38077481542194
1979	4.42757882351694
1980	4.35363304826292
1981	4.16645603803554
1982	4.00105489705477
1983	3.859818823486
1984	3.74460622502398
1985	3.65832712376815
1986	3.59990009480799
1987	3.56517422713403
1988	3.54876852435535
1989	3.54822160375845
1990	3.55767087577164
1991	3.57299972835298
1992	3.59577183951678
1993	3.62639834270494
1994	3.66524244075982
1995	3.76452852769914
1996	3.9346873665747
1997	4.13470041610867
1998	4.356912521738
1999	4.5924397076891
2000	4.83592328577229
2001	5.07998157546213
2002	5.32001388031457
2003	5.57088411608242
2004	5.70938085128052
2005	5.73719125294569
2006	5.78145578016273
2007	5.82881582586098
2008	5.8716555105649
2009	5.91838322033679
2010	5.97714620568415
2011	6.03816197331686
2012	6.08831046898419
2013	6.12859009800566
2014	6.17844692302021
2015	6.26473782527477
2016	6.39638973399398
2017	6.56563292738863
2018	6.75198264485708
2019	6.93127858464219
2020	7.1148064869495
2021	7.2661706780514
2022	7.39207220238803
2023	7.58700750036302