Quarter Billions of US Dollars 1994-01-01 46 1994-04-01 254 1994-07-01 15 1994-10-01 1 1995-01-01 -30 1995-04-01 27 1995-07-01 26 1995-10-01 -36 1996-01-01 -11 1996-04-01 -18 1996-07-01 12 1996-10-01 14 1997-01-01 16 1997-04-01 334 1997-07-01 -35 1997-10-01 -51 1998-01-01 -8 1998-04-01 3 1998-07-01 376 1998-10-01 -56 1999-01-01 12 1999-04-01 266 1999-07-01 35 1999-10-01 19 2000-01-01 -15 2000-04-01 -22 2000-07-01 25 2000-10-01 -66 2001-01-01 71 2001-04-01 10 2001-07-01 -49 2001-10-01 -21 2002-01-01 496 2002-04-01 -308 2002-07-01 70 2002-10-01 -169 2003-01-01 -33 2003-04-01 0 2003-07-01 116 2003-10-01 105 2004-01-01 38 2004-04-01 178 2004-07-01 314 2004-10-01 139 2005-01-01 11 2005-04-01 -255 2005-07-01 14 2005-10-01 -67 2006-04-01 -352 2008-07-01 -219 2008-10-01 237 2009-01-01 -342 2009-04-01 2475 2009-07-01 -214 2009-10-01 508 2010-01-01 878 2010-04-01 319 2010-07-01 -84 2010-10-01 1114 2011-01-01 404 2011-04-01 329 2011-07-01 65 2011-10-01 215 2012-01-01 -1239 2012-04-01 -560 2012-07-01 -5079 2012-10-01 5186 2013-01-01 7 2013-04-01 -1502 2013-07-01 -113 2013-10-01 -3134 2014-01-01 3037 2014-04-01 1248 2014-07-01 -908 2014-10-01 37 2015-01-01 -45 2015-04-01 1105 2015-10-01 -453 2016-01-01 -160 2016-07-01 1117 2017-04-01 431 2017-07-01 -33 2017-10-01 -4