Year	Thousands of Persons
1956-01-01	5782.500
1957-01-01	6008.167
1958-01-01	6137.167
1959-01-01	6241.667
1960-01-01	6411
1961-01-01	6521.250
1962-01-01	6615.417
1963-01-01	6748.250
1964-01-01	6933.167
1965-01-01	7141.417
1966-01-01	7493.500
1967-01-01	7746.834
1968-01-01	7951.167
1969-01-01	8193.834
1970-01-01	8395
1971-01-01	8638.667
1972-01-01	8897.333
1973-01-01	9276.250
1974-01-01	9639.417
1975-01-01	9973.833
1976-01-01	10491.300
1977-01-01	10785.200
1978-01-01	11154.570
1979-01-01	11536.720
1980-01-01	11879.370
1981-01-01	12235.820
1982-01-01	12301.830
1983-01-01	12527.620
1984-01-01	12747.880
1985-01-01	13012.370
1986-01-01	13272.100
1987-01-01	13526.010
1988-01-01	13779.110
1989-01-01	14056.970
1990-01-01	14244.640
1991-01-01	14336.300
1992-01-01	14336.150
1993-01-01	14435.000
1994-01-01	14573.730
1995-01-01	14689.210
1996-01-01	14848.510
1997-01-01	15080.570
1998-01-01	15314.840
1999-01-01	15583.700
2000-01-01	15841.930
2001-01-01	16104.900
2002-01-01	16569.110
2003-01-01	16948.060
2004-01-01	17154.300
2005-01-01	17293.450
2006-01-01	17516.670
2007-01-01	17884.240
2008-01-01	18203.920
2009-01-01	18329.060
2010-01-01	18525.120
2011-01-01	18699.350