Quarter	Units, Seasonally Adjusted
2003-01-01	1207.451620220210
2003-04-01	1209.069625629930
2003-07-01	1384.944218620390
2003-10-01	1421.830662909740
2004-01-01	1358.887730943760
2004-04-01	1413.468830028980
2004-07-01	1280.355584337410
2004-10-01	1404.328384468240
2005-01-01	1509.039702733080
2005-04-01	1646.106003308620
2005-07-01	1677.440034666070
2005-10-01	1751.172723825280
2006-01-01	1787.243121365270
2006-04-01	2074.640648958150
2006-07-01	2284.589084273230
2006-10-01	2368.562031134380
2007-01-01	2590.906192100550
2007-04-01	2606.493264849520
2007-07-01	2577.812311472180
2007-10-01	2476.556807413220
2008-01-01	2548.367578971690
2008-04-01	2227.045043776600
2008-07-01	1893.875489285690
2008-10-01	1382.547226706710
2009-01-01	932.401612203431
2009-04-01	875.547670550353
2009-07-01	715.590641405666
2009-10-01	792.428497401452
2010-01-01	747.128402317713
2010-04-01	777.425119762756
2010-07-01	891.766177365295
2010-10-01	1034.722902552430
2011-01-01	1283.167880299210
2011-04-01	1377.848089198490
2011-07-01	1424.873146133200
2011-10-01	1631.059224813090
2012-01-01	1610.554973158320
2012-04-01	1663.063629684960
2012-07-01	1643.740356503880
2012-10-01	1554.536557536900
2013-01-01	1641.589306344080
2013-04-01	1648.626576220040
2013-07-01	1649.213778900350
2013-10-01	1594.269314184700
2014-01-01	1662.980722511600
2014-04-01	1729.111465844290
2014-07-01	1795.357921199360
2014-10-01	1830.597608138970
2015-01-01	1705.952220728220
2015-04-01	1697.022897880260
2015-07-01	1776.157435990300
2015-10-01	1836.261626344240
2016-01-01	1890.084710753290
2016-04-01	1831.360489126830
2016-07-01	1893.333698830670
2016-10-01	1890.725586996750
2017-01-01	2067.534791539320
2017-04-01	2209.856893911200
2017-07-01	2084.488444373130
2017-10-01	2192.643508598030
2018-01-01	2276.765496978990
2018-04-01	2179.136069847830
2018-07-01	2146.203978352800