Year	Number of People
1960	477110
1961	501894
1962	528046
1963	555575
1964	583809
1965	612583
1966	644078
1967	678630
1968	714552
1969	749175
1970	781156
1971	806885
1972	828271
1973	856413
1974	907964
1975	989404
1976	1104452
1977	1255066
1978	1422265
1979	1578125
1980	1701893
1981	1784702
1982	1832247
1983	1856324
1984	1876195
1985	1906231
1986	1951399
1987	2009074
1988	2075714
1989	2139312
1990	2193905
1991	2237303
1992	2273447
1993	2309409
1994	2356107
1995	2421263
1996	2508596
1997	2615954
1998	2738197
1999	2867038
2000	2996046
2001	3123296
2002	3250860
2003	3418738
2004	3594397
2005	3779948
2006	3976496
2007	3797719
2008	4094190
2009	4407473
2010	4738122
2011	5085937
2012	5304370
2013	5530951
2014	5767267
2015	6014570
2016	6273573
2017	6544353