Quarter Billions of US Dollars 1987-04-01 -0.02216 1987-07-01 -0.00524 1988-04-01 -0.12690 1988-07-01 -0.07636 1988-10-01 -0.00267 1989-04-01 -0.05000 1989-07-01 -0.05661 1991-07-01 0.03000 1992-01-01 0.30500 1992-04-01 1.04500 1992-07-01 0.05000 1992-10-01 0.28500 1993-01-01 0.25000 1993-04-01 1.17500 1993-07-01 0.58500 1993-10-01 0.89295 1994-01-01 0.74742 1994-04-01 0.20327 1994-07-01 0.09000 1994-10-01 1.43089 1995-01-01 -0.32257 1995-04-01 0.37961 1995-07-01 1.16134 1995-10-01 1.09543 1996-01-01 1.09182 1996-04-01 1.15246 1996-07-01 -0.40454 1996-10-01 0.76449 1997-01-01 0.00818 1997-04-01 0.54861 1997-07-01 1.36093 1997-10-01 -1.42964 1998-01-01 1.96678 1998-04-01 1.33523 1998-07-01 -1.40566 1998-10-01 -0.82394 1999-01-01 -1.71501 1999-04-01 0.44294 1999-07-01 -0.06255 1999-10-01 -0.11917 2000-01-01 0.53247 2000-04-01 0.22481 2000-07-01 -0.10236 2000-10-01 -0.43559 2001-01-01 -0.02114 2001-04-01 0.70750 2001-07-01 -0.84477 2001-10-01 0.50081 2002-01-01 -0.28900 2002-04-01 -0.78820 2002-07-01 -0.13245 2002-10-01 -0.77736 2003-01-01 1.53524 2003-04-01 0.57011 2003-07-01 -0.12507 2003-10-01 -1.04372 2004-01-01 -0.32678 2004-04-01 -0.60161 2004-07-01 -0.29150 2004-10-01 -0.96150 2005-01-01 -0.26961 2005-04-01 -0.24887 2005-07-01 0.02369 2005-10-01 0.27629 2006-01-01 0.03540 2006-04-01 -0.57967 2006-07-01 0.63941 2006-10-01 0.17047 2007-01-01 0.13943 2007-04-01 1.90946 2007-07-01 0.79287 2007-10-01 0.51209 2008-01-01 1.09249 2008-04-01 -0.80784 2008-07-01 -1.10500 2008-10-01 -1.10531 2009-01-01 0.24855 2009-04-01 1.40048 2009-07-01 0.86756 2009-10-01 1.70905 2010-01-01 4.17871 2010-04-01 1.63334 2010-07-01 1.49266 2010-10-01 4.52907 2011-01-01 3.68214 2011-04-01 5.56830 2011-07-01 0.49793 2011-10-01 0.52900 2012-01-01 0.83029 2012-04-01 0.00795 2012-07-01 0.00181 2012-10-01 2.47311 2013-01-01 0.18096 2013-04-01 -0.87194 2013-07-01 1.29180 2013-10-01 -2.56099 2014-01-01 1.93473 2014-04-01 0.22489 2014-07-01 3.15068 2014-10-01 -0.72032 2015-01-01 -3.22112 2015-04-01 -0.81930