Year	% of total population
1960	54.95183602008053
1961	54.21266491704241
1962	53.49776832747816
1963	52.7824392938027
1964	52.06603653838548
1965	51.33665453289616
1966	50.62702521407181
1967	49.930727296928254
1968	49.23321700746005
1969	48.53634071171889
1970	47.84897618440688
1971	47.18371979963987
1972	46.53249035981718
1973	45.88614350701356
1974	45.24572305284493
1975	44.6289008338109
1976	44.031843706681556
1977	43.446140208995686
1978	42.858926061045274
1979	42.349648233635435
1980	41.92578537385489
1981	41.40810052199612
1982	40.86078821175406
1983	40.31583047342118
1984	39.76271236188216
1985	39.22443503818984
1986	38.731729289095426
1987	38.262027938132604
1988	37.7943332864306
1989	37.453421725428825
1990	37.26081144183779
1991	37.11741491423125
1992	37.01770670655174
1993	36.94331931088979
1994	36.870924120900916
1995	36.795659963027944
1996	36.7358639531967
1997	36.672741336772674
1998	36.5995104128593
1999	36.517662277314734
2000	36.42839686535838
2001	36.315095928847896
2002	36.1802368904288
2003	36.02849085318441
2004	35.86767533143449
2005	35.70166257602227
2006	35.53392706394435
2007	35.360174920069525
2008	35.18372875623248
2009	35.010633340481334
2010	34.84876456678706
2011	34.70367765756523
2012	34.56944775811047
2013	34.436249957144334
2014	34.300372852728344
2015	34.15783513455539
2016	34.00661372048979
2017	33.84782179680699
2018	33.6800194661882
2019	33.50287578092351
2020	33.32563219219276
2021	33.14658027148009
2022	32.98830482222057
2023	32.79772169875532
