Year	Number of People
1960	6717
1961	7149
1962	7606
1963	8089
1964	8594
1965	9116
1966	9658
1967	10219
1968	10798
1969	11503
1970	12328
1971	13187
1972	14080
1973	15008
1974	15748
1975	16333
1976	16940
1977	17568
1978	18219
1979	18743
1980	19157
1981	19562
1982	19971
1983	20403
1984	20891
1985	21467
1986	22163
1987	22947
1988	23773
1989	24585
1990	25335
1991	25995
1992	26584
1993	27137
1994	27696
1995	28301
1996	29500
1997	31073
1998	32733
1999	34464
2000	36259
2001	37325
2002	37987
2003	38680
2004	39415
2005	40208
2006	41503
2007	43211
2008	44993
2009	46811
2010	48647
2011	50481
2012	52328
2013	54188
2014	56083
2015	58023
2016	60000
2017	61996