Year	Number of People
1960	201925
1961	228374
1962	259338
1963	294457
1964	333133
1965	375400
1966	423643
1967	475255
1968	529320
1969	584571
1970	639688
1971	692539
1972	745146
1973	798607
1974	854640
1975	916132
1976	988403
1977	1063822
1978	1141669
1979	1220766
1980	1300697
1981	1380509
1982	1457118
1983	1533756
1984	1615282
1985	1702527
1986	1797859
1987	1902633
1988	1997006
1989	2054155
1990	2057077
1991	1994704
1995	1579984
1996	1604408
1997	1690047
1998	1812572
1999	1934795
2000	2030234
2001	2107414
2002	2143833
2003	2169118
2004	2207939
2005	2276623
2006	2377258
2007	2503410
2008	2652340
2009	2818939
2010	2998083
2011	3191051
2012	3395556
2013	3598385
2014	3782450
2015	3935794
2016	4052584
2017	4136528