Year	Number of People
1960	23394
1961	23786
1962	24284
1963	24848
1964	25454
1965	26041
1966	26612
1967	27174
1968	27694
1969	28159
1970	28560
1971	28869
1972	29104
1973	29278
1974	29427
1975	29578
1976	29742
1977	29902
1978	30049
1979	30177
1980	30272
1981	30334
1982	30381
1983	30383
1984	30325
1985	30207
1986	30004
1987	29744
1988	29469
1989	29262
1990	29164
1991	29212
1992	29379
1993	29623
1994	29895
1995	30147
1996	30382
1997	30594
1998	30801
1999	30991
2000	31180
2001	31374
2002	31544
2003	31720
2004	31896
2005	32085
2006	32296
2007	32510
2008	32732
2009	32956
2010	33189
2011	33405
2012	33623
2013	33831
2014	34038
2015	34228
2016	34408
2017	34571