Year	% of total population
1960	2.30427352989672
1961	2.18748226749135
1962	2.08124128897919
1963	1.98367583507689
1964	1.88801945488807
1965	1.79980609505945
1966	1.71635371406342
1967	1.63450511615514
1968	1.56989252346294
1969	1.54761599222935
1970	1.56079903517291
1971	1.58745823815067
1972	1.6191411899783
1973	1.66177476412424
1974	1.7244445889923
1975	1.82372274997516
1976	1.79386398383528
1977	1.63985564347163
1978	1.49484961778073
1979	1.35213602487309
1980	1.22361011332298
1981	1.17017215364758
1982	1.173004205998
1983	1.17136666447151
1984	1.16465220370541
1985	1.15647538140528
1986	1.13287453679195
1987	1.09885786552396
1988	1.07214458316493
1989	1.05115441422069
1990	1.03510167478751
1991	1.02398272043163
1992	1.01784729549846
1993	1.01552478225904
1994	1.01430899810393
1995	1.00998833807144
1996	0.989044732551157
1997	0.957533332957045
1998	0.931403258328113
1999	0.911732868710015
2000	0.897588123100766
2001	0.885820802082104
2002	0.872441229621583
2003	0.854332947942319
2004	0.8292433975678
2005	0.773185009507723
2006	0.630644763081592
2007	0.433596634145145
2008	0.268190673080177
2009	0.171770442922267
2010	0.175989189050258
2011	0.247725856116559
2012	0.331091759757493
2013	0.428292426256285
2014	0.541775268911334
2015	0.673961878451242
2016	0.827883285156327
2017	1.00780791715488
2018	1.21968197635722
2019	1.47102198876923
2020	1.65397566501915
2021	1.75841387177742
2022	1.82894979133056
2023	1.86556589870767