Year	Number of People
1960	9937
1961	10364
1962	10803
1963	11262
1964	11758
1965	12296
1966	12893
1967	13539
1968	14189
1969	14772
1970	15240
1971	15569
1972	15780
1973	15942
1974	16082
1975	16328
1976	16724
1977	17248
1978	17880
1979	18574
1980	19295
1981	19935
1982	20569
1983	21205
1984	21822
1985	22406
1986	22939
1987	23420
1988	23879
1989	24355
1990	24871
1991	25443
1992	26049
1993	26628
1994	27102
1995	26962
1996	26515
1997	25920
1998	25235
1999	24527
2000	23990
2001	23930
2002	23889
2003	23852
2004	23799
2005	23714
2006	23593
2007	23450
2008	23310
2009	23188
2010	23104
2011	23079
2012	23106
2013	23183
2014	23298
2015	23451
2016	23638
2017	23861