Quarter	Billions of US Dollars
1999-01-01	5388.445
1999-04-01	5151.633
1999-07-01	5267.481
1999-10-01	4945.107
2000-01-01	4767.073
2000-04-01	4784.463
2000-07-01	4398.605
2000-10-01	4679.013
2001-01-01	4485.316
2001-04-01	4329.258
2001-07-01	4714.393
2001-10-01	4578.946
2002-01-01	4559.125
2002-04-01	5284.873
2002-07-01	5350.184
2002-10-01	5700.724
2003-01-01	6095.680
2003-04-01	6538.455
2003-07-01	6661.330
2003-10-01	7128.945
2004-01-01	7168.957
2004-04-01	7181.947
2004-07-01	7436.667
2004-10-01	8163.035
2005-01-01	7943.936
2005-04-01	7663.810
2005-07-01	7636.362
2005-10-01	7417.018
2006-01-01	7631.718
2006-04-01	7988.206
2006-07-01	8064.754
2006-10-01	8270.961
2007-01-01	8457.093
2007-04-01	8539.174
2007-07-01	9000.554
2007-10-01	9242.569
2008-01-01	10213.466
2008-04-01	10112.423
2008-07-01	9344.670
2008-10-01	9633.665
2009-01-01	9589.312
2009-04-01	10453.951
2009-07-01	11119.003
2009-10-01	11014.430
2010-01-01	10622.318
2010-04-01	9877.362
2010-07-01	11170.469
2010-10-01	11032.489
2011-01-01	11852.034
2011-04-01	12244.405
2011-07-01	11645.135
2011-10-01	11120.213
2012-01-01	11984.838
2012-04-01	11566.304
2012-07-01	12141.531
2012-10-01	12737.617
2013-01-01	12546.591
2013-04-01	12934.752
2013-07-01	13248.355
2013-10-01	13644.457
2014-01-01	14141.012
2014-04-01	14350.884
2014-07-01	13365.631
2014-10-01	13059.848
2015-01-01	12022.598
2015-04-01	12044.199
2015-07-01	12188.349
2015-10-01	11828.979
2016-01-01	12747.885
2016-04-01	12606.466
2016-07-01	12641.387
2016-10-01	11666.449
2017-01-01	11781.166
2017-04-01	12656.103
2017-07-01	13067.367
2017-10-01	13219.456
2018-01-01	13684.265