Year	Number of People
1960	755783
1961	796042
1962	838885
1963	884370
1964	932848
1965	984301
1966	1038888
1967	1096387
1968	1157782
1969	1223837
1970	1295415
1971	1372537
1972	1454693
1973	1540644
1974	1628785
1975	1717441
1976	1807144
1977	1897014
1978	1982086
1979	2054820
1980	2119077
1981	2161996
1982	2186182
1983	2198724
1984	2212453
1985	2238426
1986	2279257
1987	2336671
1988	2423356
1989	2483662
1990	2593995
1991	2763231
1992	2985692
1993	3236993
1994	3482633
1995	3697605
1996	3870061
1997	4008109
1998	4130273
1999	4266092
2000	4436299
2001	4648055
2002	4892951
2003	5155686
2004	5426770
2005	5691823
2006	5931413
2007	6151939
2008	6364968
2009	6588859
2010	6837008
2011	7114615
2012	7416385
2013	7733964
2014	8054214
2015	8367663
2016	8670939
2017	8971345