Quarter	Thousands of Persons, Seasonally Adjusted
1970-01-01	2357.706
1970-04-01	2365.365
1970-07-01	2375.204
1970-10-01	2370.281
1971-01-01	2369.725
1971-04-01	2378.537
1971-07-01	2367.428
1971-10-01	2366.579
1972-01-01	2359.218
1972-04-01	2353.370
1972-07-01	2350.713
1972-10-01	2354.178
1973-01-01	2350.424
1973-04-01	2341.082
1973-07-01	2352.834
1973-10-01	2347.396
1974-01-01	2351.049
1974-04-01	2353.157
1974-07-01	2357.537
1974-10-01	2358.431
1975-01-01	2367.579
1975-04-01	2368.284
1975-07-01	2376.752
1975-10-01	2380.753
1976-01-01	2373.867
1976-04-01	2383.390
1976-07-01	2352.333
1976-10-01	2361.472
1977-01-01	2352.883
1977-04-01	2352.626
1977-07-01	2346.267
1977-10-01	2345.342
1978-01-01	2347.845
1978-04-01	2343.674
1978-07-01	2350.309
1978-10-01	2341.623
1979-01-01	2346.370
1979-04-01	2361.283
1979-07-01	2357.495
1979-10-01	2370.151
1980-01-01	2370.969
1980-04-01	2387.132
1980-07-01	2361.091
1980-10-01	2355.548
1981-01-01	2356.167
1981-04-01	2328.442
1981-07-01	2343.143
1981-10-01	2338.988
1982-01-01	2336.290
1982-04-01	2343.951
1982-07-01	2346.942
1982-10-01	2338.045
1983-01-01	2342.698
1983-04-01	2341.907
1983-07-01	2335.609
1983-10-01	2325.326
1984-01-01	2323.644
1984-04-01	2315.774
1984-07-01	2342.654
1984-10-01	2338.067
1985-01-01	2348.574
1985-04-01	2326.182
1985-07-01	2348.326
1985-10-01	2341.086
1986-01-01	2311.058
1986-04-01	2288.431
1986-07-01	2300.147
1986-10-01	2293.482
1987-01-01	2284.689
1987-04-01	2293.256
1987-07-01	2292.622
1987-10-01	2295.512
1988-01-01	2304.163
1988-04-01	2311.554
1988-07-01	2314.098
1988-10-01	2318.464
1989-01-01	2328.757
1989-04-01	2343.142
1989-07-01	2345.381
1989-10-01	2362.877
1990-01-01	2374.658
1990-04-01	2363.343
1990-07-01	2366.591
1990-10-01	2378.458
1991-01-01	2379.005
1991-04-01	2364.261
1991-07-01	2341.055
1991-10-01	2339.306
1992-01-01	2326.944
1992-04-01	2325.181
1992-07-01	2299.808
1992-10-01	2282.635
1993-01-01	2268.851
1993-04-01	2249.557
1993-07-01	2237.767
1993-10-01	2221.781
1994-01-01	2213.003
1994-04-01	2209.856
1994-07-01	2226.757
1994-10-01	2221.123
1995-01-01	2237.289
1995-04-01	2258.156
1995-07-01	2254.386
1995-10-01	2255.044
1996-01-01	2260.465
1996-04-01	2243.959
1996-07-01	2248.004
1996-10-01	2245.621
1997-01-01	2243.343
1997-04-01	2233.640
1997-07-01	2229.383
1997-10-01	2213.472
1998-01-01	2216.024
1998-04-01	2225.676
1998-07-01	2245.639
1998-10-01	2243.956
1999-01-01	2248.014
1999-04-01	2254.200
1999-07-01	2255.446
1999-10-01	2260.475
2000-01-01	2269.456
2000-04-01	2276.326
2000-07-01	2277.440
2000-10-01	2300.661
2001-01-01	2310.935
2001-04-01	2296.212
2001-07-01	2299.749
2001-10-01	2301.772
2002-01-01	2301.647
2002-04-01	2286.834
2002-07-01	2295.978
2002-10-01	2305.750
2003-01-01	2303.613
2003-04-01	2303.525
2003-07-01	2316.980
2003-10-01	2330.526
2004-01-01	2335.350
2004-04-01	2316.569
2004-07-01	2322.372
2004-10-01	2321.677
2005-01-01	2335.122
2005-04-01	2479.332
2005-07-01	2470.704
2005-10-01	2481.446
2006-01-01	2489.121
2006-04-01	2495.745
2006-07-01	2501.684
2006-10-01	2524.040
2007-01-01	2541.403
2007-04-01	2522.816
2007-07-01	2542.512
2007-10-01	2552.060
2008-01-01	2566.317
2008-04-01	2574.415
2008-07-01	2574.287
2008-10-01	2579.801
2009-01-01	2575.239
2009-04-01	2580.263
2009-07-01	2576.689
2009-10-01	2593.655
2010-01-01	2608.529
2010-04-01	2620.838
2010-07-01	2628.050
2010-10-01	2635.535
2011-01-01	2643.529
2011-04-01	2642.614
2011-07-01	2642.009
2011-10-01	2643.468
2012-01-01	2643.393