Year	Number of People
1960	3619287
1961	3793971
1962	3973623
1963	4157495
1964	4344630
1965	4533658
1966	4724868
1967	4918216
1968	5114092
1969	5313202
1970	5516323
1971	5723481
1972	5955942
1973	6197201
1974	6449328
1975	6714487
1976	6993840
1977	7286872
1978	7594142
1979	7915446
1980	8250179
1981	8598463
1982	8960310
1983	9331960
1984	9710432
1985	10092012
1986	10475430
1987	10860432
1988	11248397
1989	11640605
1990	12039263
1991	12444707
1992	12855512
1993	13267999
1994	13678862
1995	13995729
1996	14285555
1997	14566859
1998	14842165
1999	15114839
2000	15386945
2001	15659555
2002	15933727
2003	16210331
2004	16491168
2005	16839695
2006	17208426
2007	17585479
2008	17974187
2009	18378836
2010	18803424
2011	19249027
2012	19714269
2013	20193387
2014	20678703
2015	21163552
2016	21645836
2017	22125659