Quarter	Billions of US Dollars
1989-10-01	-0.00100
1990-04-01	-0.00100
1991-04-01	0.01100
1991-07-01	0.42800
1991-10-01	-0.43700
1992-01-01	0.00300
1992-04-01	0.00200
1994-01-01	0.04853
1994-04-01	-0.00647
1994-07-01	0.00259
1994-10-01	0.00504
1995-01-01	0.00672
1995-04-01	0.07318
1995-07-01	0.17560
1995-10-01	0.02702
1996-01-01	0.27404
1996-04-01	0.03968
1996-07-01	0.26270
1996-10-01	-0.02560
1997-01-01	-0.11922
1997-04-01	-0.02115
1997-07-01	-0.03332
1997-10-01	0.15136
1998-01-01	0.11633
1998-04-01	0.77641
1998-07-01	1.63050
1998-10-01	-0.00538
1999-01-01	-0.27163
1999-04-01	0.02087
1999-07-01	0.89033
1999-10-01	0.97726
2000-01-01	1.25783
2000-04-01	0.82128
2000-07-01	1.17586
2000-10-01	-0.32856
2001-01-01	0.33267
2001-04-01	-3.27373
2001-07-01	-0.70985
2001-10-01	0.71415
2002-01-01	2.10532
2002-04-01	0.79080
2002-07-01	0.36820
2002-10-01	-0.14114
2003-01-01	-0.32149
2003-04-01	-0.93772
2003-07-01	-0.00367
2003-10-01	1.40957
2004-01-01	1.24313
2004-04-01	-0.34429
2004-07-01	1.37693
2004-10-01	0.84228
2005-01-01	1.68111
2005-04-01	-3.52677
2005-07-01	-0.12597
2005-10-01	-0.91873
2006-01-01	3.81314
2006-04-01	5.86899
2006-07-01	2.23494
2006-10-01	0.88037
2007-01-01	-0.56691
2007-04-01	0.24188
2007-07-01	-0.65206
2007-10-01	-2.13492
2008-01-01	-1.84837
2008-04-01	0.02108
2008-07-01	-4.08840
2008-10-01	0.12760
2009-01-01	-0.34608
2009-04-01	0.78341
2009-07-01	-1.09086
2009-10-01	-2.51180
2010-01-01	-0.24374
2010-04-01	-2.51946
2010-07-01	1.07757
2010-10-01	0.79180
2011-01-01	-0.00721
2011-04-01	2.43781
2011-07-01	-1.89256
2011-10-01	-2.95733
2012-01-01	0.46767
2012-04-01	-0.66919
2012-07-01	-0.14653
2012-10-01	0.06131
2013-01-01	-0.04477
2013-04-01	-1.04012
2013-07-01	1.02261
2013-10-01	0.12651
2014-01-01	-0.82321
2014-04-01	0.40494
2014-07-01	1.56673
2014-10-01	0.46787
2015-01-01	0.28976
2015-04-01	1.15604