Year	Number of People
1960	19292
1961	19725
1962	20198
1963	20710
1964	21254
1965	21822
1966	22420
1967	23043
1968	23679
1969	24304
1970	24902
1971	25464
1972	25995
1973	26519
1974	27066
1975	27662
1976	28319
1977	29031
1978	29780
1979	30547
1980	31314
1981	32066
1982	32817
1983	33587
1984	34407
1985	35300
1986	36277
1987	37329
1988	38423
1989	39510
1990	40556
1991	41447
1992	41682
1993	41874
1994	42071
1995	42297
1996	42563
1997	42857
1998	43149
1999	43403
2000	43591
2001	43535
2002	42064
2003	40591
2004	39156
2005	37793
2006	36502
2007	35271
2008	34066
2009	32858
2010	31841
2011	32072
2012	32257
2013	32429
2014	32606
2015	32810
2016	33036
2017	33286