Year	Number of People
1960	5389572
1961	5583030
1962	5784218
1963	5993408
1964	6210236
1965	6434888
1966	6666679
1967	6905677
1968	7151627
1969	7404684
1970	7704889
1971	8140439
1972	8595982
1973	9068848
1974	9557359
1975	10057938
1976	10571204
1977	11095119
1978	11631125
1979	12179518
1980	12695002
1981	13074811
1982	13453985
1983	13835833
1984	14224401
1985	14621051
1986	15030328
1987	15448930
1988	15868017
1989	16273759
1990	16648929
1991	16944479
1992	17214288
1993	17470946
1994	17732347
1995	18011734
1996	18315522
1997	18637623
1998	18968883
1999	19295747
2000	19760004
2001	20682080
2002	21614441
2003	22556146
2004	23510657
2005	24476323
2006	25456179
2007	26445148
2008	27444802
2009	28453553
2010	29475095
2011	30184618
2012	30831696
2013	31477326
2014	32116885
2015	32745556
2016	33362995
2017	33966456