Quarter	Percent of GDP, Seasonally Adjusted
1999-01-01	46.0941762686484
1999-04-01	45.8304116377125
1999-07-01	46.4806943984476
1999-10-01	47.2085782847389
2000-01-01	48.1254065477432
2000-04-01	50.1823686104918
2000-07-01	50.2217201452298
2000-10-01	51.5267437640849
2001-01-01	51.1838842386535
2001-04-01	49.8631683343383
2001-07-01	49.1723658450213
2001-10-01	46.6291787464341
2002-01-01	47.1127827323499
2002-04-01	46.8180089132962
2002-07-01	46.7140169887961
2002-10-01	45.3225938215222
2003-01-01	44.5815834409762
2003-04-01	43.8728794366041
2003-07-01	43.4406350817448
2003-10-01	44.1037134636188
2004-01-01	44.3468894371469
2004-04-01	46.8420347082001
2004-07-01	48.3314233242656
2004-10-01	49.2398090748852
2005-01-01	50.3058583742781
2005-04-01	51.6763366014969
2005-07-01	53.5928854197576
2005-10-01	55.3737193739897
2006-01-01	56.9687886749771
2006-04-01	58.0447320415385
2006-07-01	58.7391391776020
2006-10-01	60.8311397927676
2007-01-01	62.3067496013509
2007-04-01	62.4455575110330
2007-07-01	63.1675315566297
2007-10-01	63.5326886334187
2008-01-01	63.6269846589934
2008-04-01	62.5379531513082
2008-07-01	61.3368845265698
2008-10-01	56.2561557539099
2009-01-01	51.5026158868222
2009-04-01	50.5698115447340
2009-07-01	51.4386602422867
2009-10-01	52.9777249588190
2010-01-01	55.6748292950274
2010-04-01	59.1008739419653
2010-07-01	62.0972801808273
2010-10-01	64.6482150658868
2011-01-01	66.6334926571602
2011-04-01	66.3965461693967
2011-07-01	68.2858164804690
2011-10-01	68.3052529113388
2012-01-01	67.6671381474820
2012-04-01	70.3768425312964
2012-07-01	70.4349374192384
2012-10-01	70.3588452305376
2013-01-01	70.8685560721321
2013-04-01	71.5652992772394
2013-07-01	70.9444165491390
2013-10-01	70.9320280951366
2014-01-01	71.4418601007395
2014-04-01	70.8560074716146
2014-07-01	72.4489604987541
2014-10-01	73.9165708458925
2015-01-01	73.9577708815282
2015-04-01	73.9516898815909
2015-07-01	73.4563234452130
2015-10-01	74.2486128721076
2016-01-01	74.0044746415723
2016-04-01	73.3181676728250
2016-07-01	73.6465834498936
2016-10-01	74.1703711669993
2017-01-01	77.5439851201349
2017-04-01	78.5840874756262
2017-07-01	79.9780265495309
2017-10-01	80.8681568649167
2018-01-01	81.6847634288237
2018-04-01	81.8922655370000