Quarterly US Dollars, monthly level
1999-01-01 -29424330890.601200
1999-04-01 -41198551417.291900
1999-07-01 -53880134151.332596
1999-10-01 -52159758033.113200
2000-01-01 -70216468749.389190
2000-04-01 -79556265945.195710
2000-07-01 -97082578116.287100
2000-10-01 -102151875788.945000
2001-01-01 -71103368675.900600
2001-04-01 -71011078246.159500
2001-07-01 -76779748708.955600
2001-10-01 -63704008373.032500
2002-01-01 -47270802284.113010
2002-04-01 -59155968757.313700
2002-07-01 -76490486003.057100
2002-10-01 -90120730194.061200
2003-01-01 -91526757533.371600
2003-04-01 -91123598879.658310
2003-07-01 -85255598544.015990
2003-10-01 -85286378676.050000
2004-01-01 -71097186680.059100
2004-04-01 -99064001703.795000
2004-07-01 -135375892304.359010
2004-10-01 -148451484522.067020
2005-01-01 -131086550832.868990
2005-04-01 -148688942863.397000
2005-07-01 -184045881151.667000
2005-10-01 -191576963549.952030
2006-01-01 -167898153972.073000
2006-04-01 -181025879223.270020
2006-07-01 -229989574326.298000
2006-10-01 -183698802336.212980
2007-01-01 -169901228418.449980
2007-04-01 -185280529862.304020
2007-07-01 -217844448981.438020
2007-10-01 -233731685617.960020
2008-01-01 -204419863172.042000
2008-04-01 -232251936121.695980
2008-07-01 -301866430131.034000
2008-10-01 -234698280830.852020
2009-01-01 -127538490050.570000
2009-04-01 -75554200934.244900
2009-07-01 -123824334076.878000
2009-10-01 -114156279507.182000
2010-01-01 -115764349116.267000
2010-04-01 -143408168671.868000
2010-07-01 -177703656150.721000
2010-10-01 -146360779331.347020
2011-01-01 -171212615594.598000
2011-04-01 -215843003046.813020
2011-07-01 -228870611764.649000
2011-10-01 -195518048798.628000
2012-01-01 -189296118648.006000
2012-04-01 -184272576080.264980
2012-07-01 -209188975923.707000
2012-10-01 -183835858615.755980
2013-01-01 -151583669833.958980
2013-04-01 -139007048082.879000
2013-07-01 -198646118412.211980
2013-10-01 -153261629469.345000
2014-01-01 -157649475316.811980
2014-04-01 -159923327138.361000
2014-07-01 -201247340530.313020
2014-10-01 -140774624594.555000
2015-01-01 -125628306710.636000
2015-04-01 -122475371743.282000
2015-07-01 -171190091597.787000
2015-10-01 -137254098870.548000
2016-01-01 -110087987228.136000
2016-04-01 -88392902804.589800
2016-07-01 -151510578521.241000
2016-10-01 -104206847400.949000
2017-01-01 -119324282909.196990
2017-04-01 -124440441379.558000
2017-07-01 -159389194268.759000
2017-10-01 -157063655602.725000
2018-01-01 -160152962818.271000
2018-04-01 -151334262503.708980