Year	% of total population
1960	61.263064165556
1961	60.64090329761935
1962	60.02814621464136
1963	59.41724654764931
1964	58.803944549460326
1965	58.15879176990076
1966	57.47894607998553
1967	56.782252840748384
1968	56.085661696846145
1969	55.39135471814816
1970	54.70688863819755
1971	54.07170931761978
1972	53.47591726654802
1973	52.88543142645975
1974	52.30090899279532
1975	51.75832525254677
1976	51.26036787920432
1977	50.78886579404302
1978	50.32021967332842
1979	49.885434471383235
1980	49.49048899576887
1981	48.858961331280995
1982	48.15245737227795
1983	47.44474432503845
1984	46.73196239886342
1985	46.051145374020244
1986	45.45579628292737
1987	44.90193132912905
1988	44.34994722094467
1989	43.894096403729456
1990	43.53436365039554
1991	43.30949862120708
1992	43.126106051157294
1993	42.93129182726455
1994	42.75395728697154
1995	42.58618062654466
1996	42.43320973000595
1997	42.27414729136253
1998	42.097310213815746
1999	41.895911768127746
2000	41.67410890723551
2001	41.41930128414838
2002	41.123363283504375
2003	40.80649619266228
2004	40.481339183998315
2005	40.148666553096206
2006	39.816902977004126
2007	39.49808665098946
2008	39.172524855105756
2009	38.846739123318976
2010	38.54122529135358
2011	38.27145284268352
2012	38.0331456643063
2013	37.80244322014936
2014	37.577265660245764
2015	37.34980762469552
2016	37.12187656304927
2017	36.89432706631354
2018	36.658701374936534
2019	36.41674841301322
2020	36.187905684813664
2021	35.96943407740738
2022	35.864812766684594
2023	35.65448224714675