Year	Number of People
1960	13251
1961	13652
1962	14163
1963	14769
1964	15416
1965	16072
1966	16721
1967	17371
1968	18009
1969	18624
1970	19209
1971	19760
1972	20281
1973	20767
1974	21222
1975	21657
1976	22055
1977	22440
1978	22859
1979	23397
1980	24125
1981	25134
1982	26312
1983	27637
1984	29059
1985	30515
1986	32019
1987	33552
1988	35087
1989	36594
1990	38076
1991	39612
1992	41058
1993	42429
1994	43766
1995	45086
1996	46402
1997	47673
1998	48895
1999	50032
2000	50956
2001	51480
2002	51915
2003	52199
2004	52270
2005	52083
2006	51612
2007	50897
2008	50072
2009	49309
2010	48735
2011	48406
2012	48282
2013	48310
2014	48390
2015	48449
2016	48481
2017	48502