Year	Number of People
1960	2730
1961	2767
1962	2787
1963	2796
1964	2801
1965	2802
1966	2800
1967	2799
1968	2803
1969	2828
1970	2879
1971	2964
1972	3072
1973	3202
1974	3342
1975	3475
1976	3594
1977	3708
1978	3826
1979	3968
1980	4155
1981	4507
1982	4900
1983	5330
1984	5774
1985	6221
1986	6650
1987	7075
1988	7512
1989	8011
1990	8588
1991	9220
1992	9946
1993	10729
1994	11515
1995	12255
1996	12921
1997	13535
1998	14174
1999	14952
2000	15957
2001	17230
2002	18700
2003	20275
2004	21821
2005	23207
2006	24403
2007	25431
2008	26325
2009	27151
2010	27965
2011	28770
2012	29541
2013	30288
2014	30990
2015	31659
2016	32288
2017	32900