Year	Number of People
1960	10812
1961	11429
1962	12133
1963	12905
1964	13704
1965	14500
1966	15285
1967	15887
1968	16322
1969	16706
1970	17032
1971	17289
1972	17483
1973	17639
1974	17791
1975	17967
1976	18178
1977	18514
1978	18930
1979	19323
1980	19675
1981	19974
1982	20229
1983	20459
1984	20685
1985	20921
1986	21179
1987	21339
1988	21434
1989	21522
1990	21604
1991	21675
1992	21743
1993	21807
1994	21881
1995	21967
1996	22066
1997	22176
1998	22297
1999	22430
2000	22571
2001	22721
2002	22881
2003	23049
2004	23221
2005	23396
2006	23576
2007	23774
2008	23981
2009	24176
2010	24357
2011	24516
2012	24595
2013	24628
2014	24677
2015	24756
2016	24876
2017	25027