Year	Number of People
1960	21001
1961	21681
1962	22342
1963	22989
1964	23633
1965	24288
1966	24953
1967	25628
1968	26315
1969	27022
1970	27753
1971	28513
1972	29299
1973	30108
1974	30931
1975	31767
1976	32613
1977	33465
1978	34324
1979	35188
1980	36051
1981	36911
1982	37767
1983	38619
1984	39474
1985	40330
1986	41193
1987	42059
1988	42913
1989	43736
1990	44517
1991	45227
1992	45692
1993	46115
1994	46518
1995	46903
1996	47273
1997	47630
1998	47983
1999	48355
2000	48755
2001	49186
2002	49654
2003	50148
2004	50649
2005	51144
2006	51635
2007	52118
2008	52596
2009	53063
2010	53522
2011	53966
2012	54395
2013	54828
2014	55289
2015	55783
2016	56327
2017	56909