Quarter	Billions of US Dollars
1995-04-01	2653.660
1995-07-01	2729.419
1995-10-01	2852.720
1996-01-01	2946.458
1996-04-01	3045.378
1996-07-01	3122.113
1996-10-01	3222.940
1997-01-01	3330.032
1997-04-01	3461.671
1997-07-01	3412.265
1997-10-01	3066.338
1998-01-01	3199.784
1998-04-01	3180.964
1998-07-01	3231.293
1998-10-01	3367.819
1999-01-01	3256.002
1999-04-01	3279.878
1999-07-01	3240.312
1999-10-01	3341.318
2000-01-01	3362.155
2000-04-01	3348.742
2000-07-01	3400.457
2000-10-01	3408.331
2001-01-01	3266.372
2001-04-01	3317.827
2001-07-01	3345.221
2001-10-01	3387.967
2002-01-01	3543.344
2002-04-01	3683.285
2002-07-01	3730.300
2002-10-01	3913.047
2003-01-01	4042.760
2003-04-01	4297.667
2003-07-01	4472.905
2003-10-01	4562.115
2004-01-01	4789.348
2004-04-01	4826.954
2004-07-01	4980.856
2004-10-01	5326.655
2005-01-01	5446.096
2005-04-01	5568.327
2005-07-01	5813.604
2005-10-01	6009.578
2006-01-01	6410.347
2006-04-01	6681.544
2006-07-01	6985.357
2006-10-01	7381.921
2007-01-01	7847.164
2007-04-01	8404.797
2007-07-01	8994.322
2007-10-01	9488.484
2008-01-01	10134.996
2008-04-01	10646.684
2008-07-01	10551.339
2008-10-01	10237.402
2009-01-01	10698.286
2009-04-01	11683.640
2009-07-01	12315.367
2009-10-01	12698.965
2010-01-01	13326.192
2010-04-01	13682.434
2010-07-01	14712.295
2010-10-01	15425.175
2011-01-01	16217.536
2011-04-01	17065.238
2011-07-01	16930.210
2011-10-01	17565.966
2012-01-01	18564.839
2012-04-01	18688.785
2012-07-01	19571.280
2012-10-01	20284.720
2013-01-01	21009.390
2013-04-01	21438.444
2013-07-01	22139.427
2013-10-01	22655.438
2014-01-01	23083.794
2014-04-01	23980.842
2014-07-01	24082.063
2014-10-01	23936.435
2015-01-01	24358.949
2015-04-01	25092.911
2015-07-01	24587.387
2015-10-01	24961.960
2016-01-01	26079.169
2016-04-01	26209.713
2016-07-01	26692.300
2016-10-01	26145.328
2017-01-01	27334.743
2017-04-01	28182.332
2017-07-01	29299.348
2017-10-01	30371.358
2018-01-01	32136.897
