Quarter	Thousands of Persons, Seasonally Adjusted
1955-01-01	3014.667
1955-04-01	2832.333
1955-07-01	2698
1955-10-01	2790.333
1956-01-01	2678.667
1956-04-01	2797.667
1956-07-01	2762.667
1956-10-01	2740.667
1957-01-01	2642.333
1957-04-01	2722
1957-07-01	2828.667
1957-10-01	3316.667
1958-01-01	4223.334
1958-04-01	4993.667
1958-07-01	4975
1958-10-01	4316.334
1959-01-01	3944.667
1959-04-01	3493
1959-07-01	3630.333
1959-10-01	3855.333
1960-01-01	3556.667
1960-04-01	3651.667
1960-07-01	3888.667
1960-10-01	4399.667
1961-01-01	4785.334
1961-04-01	4927
1961-07-01	4762
1961-10-01	4348.334
1962-01-01	3957.667
1962-04-01	3871
1962-07-01	3931
1962-10-01	3911.333
1963-01-01	4128
1963-04-01	4083
1963-07-01	3962
1963-10-01	4037.667
1964-01-01	3970.333
1964-04-01	3832
1964-07-01	3658.333
1964-10-01	3642.667
1965-01-01	3604
1965-04-01	3471.333
1965-07-01	3257
1965-10-01	3082.333
1966-01-01	2898.333
1966-04-01	2883.333
1966-07-01	2858
1966-10-01	2826.667
1967-01-01	2924
1967-04-01	2938.667
1967-07-01	2949
1967-10-01	3075.667
1968-01-01	2918.667
1968-04-01	2795.667
1968-07-01	2779
1968-10-01	2696.333
1969-01-01	2707.333
1969-04-01	2762.333
1969-07-01	2921.333
1969-10-01	2929.667
1970-01-01	3429.667
1970-04-01	3929
1970-07-01	4295.667
1970-10-01	4855
1971-01-01	4958.667
1971-04-01	4968
1971-07-01	5070.334
1971-10-01	5089.667
1972-01-01	4995
1972-04-01	4934.667
1972-07-01	4900.334
1972-10-01	4673.334
1973-01-01	4390.667
1973-04-01	4383.667
1973-07-01	4320
1973-10-01	4343
1974-01-01	4669.667
1974-04-01	4750
1974-07-01	5174
1974-10-01	6099.667
1975-01-01	7666.334
1975-04-01	8287.667
1975-07-01	7992.667
1975-10-01	7811.667
1976-01-01	7363.334
1976-04-01	7235
1976-07-01	7462.667
1976-10-01	7531.667
1977-01-01	7343.334
1977-04-01	7034.667
1977-07-01	6835
1977-10-01	6654.667
1978-01-01	6381.334
1978-04-01	6111.667
1978-07-01	6171.334
1978-10-01	6084
1979-01-01	6130.334
1979-04-01	5956
1979-07-01	6168.667
1979-10-01	6286.334
1980-01-01	6704.667
1980-04-01	7813.334
1980-07-01	8221.667
1980-10-01	7943
1981-01-01	8034.667
1981-04-01	8047
1981-07-01	8043
1981-10-01	8980.667
1982-01-01	9665.667
1982-04-01	10372.330
1982-07-01	10982.330
1982-10-01	11839.330
1983-01-01	11495.670
1983-04-01	11222.670
1983-07-01	10484.330
1983-10-01	9572.333
1984-01-01	8848.333
1984-04-01	8481.333
1984-07-01	8474.333
1984-10-01	8312.334
1985-01-01	8361
1985-04-01	8385.667
1985-07-01	8319
1985-10-01	8188
1986-01-01	8193.334
1986-04-01	8437
1986-07-01	8254.667
1986-10-01	8095
1987-01-01	7873
1987-04-01	7504.667
1987-07-01	7210.334
1987-10-01	7066
1988-01-01	6919.334
1988-04-01	6642
1988-07-01	6684
1988-10-01	6541
1989-01-01	6415.334
1989-04-01	6473.334
1989-07-01	6532
1989-10-01	6674
1990-01-01	6667
1990-04-01	6709.667
1990-07-01	7159.334
1990-10-01	7708
1991-01-01	8288.667
1991-04-01	8622.333
1991-07-01	8658
1991-10-01	8990.333
1992-01-01	9399
1992-04-01	9733
1992-07-01	9806
1992-10-01	9506.667
1993-01-01	9188
1993-04-01	9126.667
1993-07-01	8802.333
1993-10-01	8589.667
1994-01-01	8561
1994-04-01	8057.667
1994-07-01	7871
1994-10-01	7412.334
1995-01-01	7238.334
1995-04-01	7500.667
1995-07-01	7496.334
1995-10-01	7392.334
1996-01-01	7374
1996-04-01	7311
1996-07-01	7066
1996-10-01	7173.334
1997-01-01	7086.667
1997-04-01	6775.667
1997-07-01	6639.667
1997-10-01	6412.667
1998-01-01	6365.334
1998-04-01	6066.667
1998-07-01	6246
1998-10-01	6137.334
1999-01-01	5956.667
1999-04-01	5917
1999-07-01	5926
1999-10-01	5715.667
2000-01-01	5766.334
2000-04-01	5630
2000-07-01	5741.667
2000-10-01	5602.334
2001-01-01	6084.334
2001-04-01	6327
2001-07-01	6922.334
2001-10-01	7985
2002-01-01	8233.667
2002-04-01	8463.667
2002-07-01	8315
2002-10-01	8489
2003-01-01	8575.333
2003-04-01	9021.667
2003-07-01	8942.667
2003-10-01	8541.667
2004-01-01	8342.667
2004-04-01	8222.667
2004-07-01	8017.667
2004-10-01	7975.667
2005-01-01	7833.667
2005-04-01	7615.667
2005-07-01	7434.667
2005-10-01	7432.667
2006-01-01	7106.667
2006-04-01	7033.667
2006-07-01	7037.667
2006-10-01	6787
2007-01-01	6924.667
2007-04-01	6865
2007-07-01	7128.667
2007-10-01	7374
2008-01-01	7661.667
2008-04-01	8201.334
2008-07-01	9300.333
2008-10-01	10642.000
2009-01-01	12766.000
2009-04-01	14342.670
2009-07-01	14839.670
2009-10-01	15257.330
2010-01-01	15040.000
2010-04-01	14871.330
2010-07-01	14639.330
2010-10-01	14711.000
2011-01-01	13766.000
2011-04-01	13902.670
2011-07-01	13908.330
2011-10-01	13393.000
2012-01-01	12745.670