Year	Number of People
1960	133710
1961	138239
1962	142593
1963	146737
1964	150679
1965	154631
1966	158719
1967	162770
1968	167094
1969	172099
1970	178110
1971	185108
1972	193097
1973	202410
1974	213472
1975	226495
1976	241774
1977	259015
1978	277084
1979	294402
1980	309867
1981	322929
1982	333966
1983	343892
1984	354084
1985	365554
1986	378677
1987	393107
1988	408233
1989	423114
1990	437114
1991	450270
1992	462398
1993	473985
1994	485792
1995	498242
1996	511456
1997	525811
1998	542384
1999	562553
2000	587333
2001	616417
2002	649672
2003	688248
2004	733577
2005	786220
2006	847736
2007	916639
2008	986747
2009	1049687
2010	1099826
2011	1133761
2012	1154099
2013	1168545
2014	1188257
2015	1220937
2016	1269685
2017	1331176