Quarter	Billions of US Dollars
1995-07-01	0.3000
1995-10-01	0.3000
1996-01-01	0.3500
1996-04-01	0.4500
1996-07-01	0.5600
1996-10-01	0.8365
1997-01-01	0.8402
1997-04-01	1.3087
1997-07-01	1.4072
1997-10-01	2.1053
1998-01-01	2.1204
1998-04-01	3.1232
1998-07-01	3.4842
1998-10-01	3.5894
1999-01-01	4.0993
1999-04-01	4.1419
1999-07-01	4.1783
1999-10-01	4.7046
2000-01-01	4.6577
2000-04-01	5.3229
2000-07-01	5.5373
2000-10-01	6.4419
2001-01-01	6.4130
2001-04-01	7.4286
2001-07-01	8.7024
2001-10-01	8.8313
2002-01-01	9.8226
2002-04-01	10.3324
2002-07-01	11.1876
2002-10-01	14.4709
2003-01-01	15.2056
2003-04-01	15.4972
2003-07-01	15.1052
2003-10-01	15.2290
2004-01-01	14.3424
2004-04-01	15.5512
2004-07-01	16.8858
2004-10-01	19.1100
2005-01-01	17.8923
2005-04-01	20.0589
2005-07-01	19.9070
2005-10-01	20.8893
2006-01-01	21.7958
2006-04-01	24.7049
2006-07-01	24.5001
2006-10-01	24.2023
2007-01-01	23.9130
2007-04-01	23.9297
2007-07-01	24.1665
2007-10-01	23.9771
2008-01-01	24.0622
2008-04-01	24.4403
2008-07-01	24.0244
2008-10-01	23.9965
2009-01-01	26.0523
2009-04-01	25.7942
2009-07-01	25.4680
2009-10-01	23.4555
2010-01-01	23.5442
2010-04-01	23.3838
2010-07-01	23.2826
2010-10-01	24.2883
2011-01-01	24.8605
2011-04-01	25.1728
2011-07-01	26.2754
2011-10-01	28.8488
2012-01-01	28.3067
2012-04-01	31.4403
2012-07-01	30.6705
2012-10-01	34.7587
2013-01-01	33.8491
2013-04-01	36.3736
2013-07-01	36.5864
2013-10-01	36.6118
2014-01-01	36.6116
2014-04-01	37.0984
2014-07-01	37.0027
2014-10-01	36.9634
2015-01-01	38.7904
2015-04-01	36.3287