Year	Number of People
1960	7529
1961	7895
1962	8278
1963	8677
1964	9079
1965	9488
1966	9897
1967	10314
1968	10719
1969	11098
1970	11445
1971	12022
1972	12551
1973	13051
1974	13558
1975	14107
1976	14698
1977	15347
1978	16033
1979	16714
1980	17352
1981	17953
1982	18516
1983	19054
1984	19557
1985	20049
1986	20525
1987	20982
1988	21213
1989	21461
1990	21735
1991	22045
1992	22373
1993	22838
1994	23286
1995	23720
1996	24126
1997	24499
1998	24863
1999	25230
2000	25619
2001	26027
2002	26413
2003	26777
2004	27179
2005	27618
2006	28055
2007	28480
2008	28914
2009	29343
2010	29785
2011	30232
2012	30692
2013	31130
2014	31533
2015	31885
2016	32177
2017	32422