Quarter	Percent, Seasonally Adjusted
2007-01-01	78.0351067031050
2007-04-01	82.3778212439987
2007-07-01	74.8513120718581
2007-10-01	75.1274133258050
2008-01-01	76.7813432346591
2008-04-01	73.9616063566403
2008-07-01	71.6346111222486
2008-10-01	69.3068475853886
2009-01-01	74.2882154725836
2009-04-01	68.3710751459790
2009-07-01	70.8381248595768
2009-10-01	68.6890075663044
2010-01-01	80.2310551383615
2010-04-01	76.3018170040124
2010-07-01	75.3188532557859
2010-10-01	77.3427855397926
2011-01-01	73.7885443819960
2011-04-01	79.6860266062982
2011-07-01	75.8826114256533
2011-10-01	77.4508520941605
2012-01-01	78.1739735730479
2012-04-01	79.0263424557661
2012-07-01	72.3295387387641
2012-10-01	71.6787350936380
2013-01-01	78.0653740171334
2013-04-01	76.3002470163489
2013-07-01	82.9802726394920
2013-10-01	75.0767970743905
2014-01-01	71.4691297344741
2014-04-01	78.8531305536027
2014-07-01	77.8425810344282
2014-10-01	79.5679789775871
2015-01-01	64.6187955187503
2015-04-01	67.3022499032413
2015-07-01	61.5856141835679
2015-10-01	70.1119648669021
2016-01-01	73.1687363875403
2016-04-01	68.0480295156865
2016-07-01	62.9934986516142
2016-10-01	71.7497535585390
2017-01-01	70.4440504648928
2017-04-01	76.0997986216331
2017-07-01	68.9526122328208
2017-10-01	71.3441774425135
2018-01-01	70.7343360343548
2018-04-01	72.0808937209937