Year	% of total population
1960	2.47440330248245
1961	2.44932521716409
1962	2.42888130462439
1963	2.41215618152646
1964	2.39895672362528
1965	2.38971659901545
1966	2.3849263501199
1967	2.38411285436265
1968	2.38694243157649
1969	2.39282829689164
1970	2.40051505930831
1971	2.40896732324799
1972	2.40897532500135
1973	2.40948877969321
1974	2.41836031996117
1975	2.42713766297032
1976	2.43649306087441
1977	2.44722997366785
1978	2.45665356526014
1979	2.46346728739067
1980	2.47421600582931
1981	2.48903767109025
1982	2.50358973007864
1983	2.51885177450989
1984	2.53739249729317
1985	2.56054058514228
1986	2.58853997788691
1987	2.62112096715369
1988	2.6565774698627
1989	2.69306068016622
1990	2.7286166393082
1991	2.76239895666791
1992	2.79422168372948
1993	2.82392967839514
1994	2.85232613950351
1995	2.88058122009035
1996	2.92547894326553
1997	2.98970835663059
1998	3.05815478459166
1999	3.13071919757269
2000	3.20685857387611
2001	3.28251967545608
2002	3.35513054702072
2003	3.42501176954167
2004	3.49538999777766
2005	3.55308782663248
2006	3.60185876137008
2007	3.6620990258769
2008	3.7347936194034
2009	3.81741985743865
2010	3.90528359939878
2011	3.99269472228519
2012	4.08075008038163
2013	4.17718039689975
2014	4.28514100954382
2015	4.40943365491813
2016	4.54390079563516
2017	4.67808080247739
2018	4.81398063747745
2019	4.9524874533383
2020	5.0583597688863
2021	5.15838167502124
2022	5.29400183524476
2023	5.44091833591494