Year	Number of People
1960	22712
1961	23138
1962	23540
1963	23938
1964	24364
1965	24832
1966	25362
1967	25933
1968	26498
1969	26995
1970	27493
1971	28248
1972	28883
1973	29459
1974	30061
1975	30763
1976	31588
1977	32519
1978	33494
1979	34417
1980	35216
1981	36024
1982	37227
1983	38313
1984	39325
1985	40290
1986	41202
1987	42060
1988	42900
1989	43778
1990	44739
1991	45680
1992	45825
1993	46042
1994	46210
1995	46269
1996	46186
1997	45993
1998	45753
1999	45562
2000	45474
2001	45552
2002	45867
2003	46257
2004	46661
2005	47038
2006	47372
2007	47681
2008	47976
2009	48293
2010	48646
2011	49047
2012	49483
2013	49943
2014	50421
2015	50905
2016	51392
2017	51881