Year	% of total population
1960	1.28498297052139
1961	1.33473213983553
1962	1.38040775733466
1963	1.43188326742125
1964	1.48434568592161
1965	1.53386081864058
1966	1.58038080582323
1967	1.62374221370388
1968	1.65382060191309
1969	1.66870825340329
1970	1.69082672706682
1971	1.72531904314679
1972	1.77395895060066
1973	1.84069400630915
1974	1.92695945217021
1975	2.03563619914051
1976	2.154258068009
1977	2.28210964929203
1978	2.414140506383
1979	2.55915464864388
1980	2.68438423734654
1981	2.7662834910639
1982	2.84193358206707
1983	2.91601751962139
1984	3.00570209623826
1985	3.11328208028041
1986	3.21195027518113
1987	3.30917633330518
1988	3.42578468428527
1989	3.59460514588351
1990	3.80469176608433
1991	4.01202221124844
1992	4.20400494506646
1993	4.36371881462955
1994	4.49532441618614
1995	4.61477474116221
1996	4.72906630413009
1997	4.83347372513445
1998	4.93519617029033
1999	5.04182581520881
2000	5.17456106125634
2001	5.33978027964971
2002	5.51633986928104
2003	5.69605532943661
2004	5.86601546303749
2005	6.01348290007024
2006	6.13147107939881
2007	6.22073456803236
2008	6.30446594161767
2009	6.41815530441123
2010	6.659288681362
2011	7.04169659943616
2012	7.46820760613491
2013	7.91929555712524
2014	8.39304419449277
2015	8.8642560335282
2016	9.32303314889231
2017	9.77574938021186
2018	10.2336997118771
2019	10.7028062434766
2020	11.1102575769215
2021	11.4551936857166
2022	11.8413967148791
2023	12.2736366159397