Year	Number of People
1960	7412
1961	7775
1962	8168
1963	8573
1964	8993
1965	9429
1966	9829
1967	10093
1968	10361
1969	10637
1970	10924
1971	11235
1972	11558
1973	11887
1974	12222
1975	12557
1976	12895
1977	13235
1978	13386
1979	13478
1980	13570
1981	13659
1982	13743
1983	13827
1984	13920
1985	14021
1986	14137
1987	14265
1988	14378
1989	14445
1990	14561
1991	14785
1992	15012
1993	15203
1994	15415
1995	15686
1996	16038
1997	16352
1998	16608
1999	16832
2000	17172
2001	17668
2002	18163
2003	18573
2004	18895
2005	19208
2006	19424
2007	19544
2008	19654
2009	19761
2010	19870
2011	19972
2012	20063
2013	20163
2014	20270
2015	20388
2016	20520
2017	20659