Quarter Billions of US Dollars 2005-04-01 0.13118 2005-07-01 0.34779 2005-10-01 0.34700 2006-01-01 0.38848 2006-04-01 0.49639 2006-07-01 0.52686 2006-10-01 0.59658 2007-01-01 0.72511 2007-04-01 0.95969 2007-07-01 1.13786 2007-10-01 1.65314 2008-01-01 1.81647 2008-04-01 2.10198 2008-07-01 2.23105 2008-10-01 1.86518 2009-01-01 1.33110 2009-04-01 1.21917 2009-07-01 1.32634 2009-10-01 1.31212 2010-01-01 1.66110 2010-04-01 1.56265 2010-07-01 1.44956 2010-10-01 1.52512 2011-01-01 1.38329 2011-04-01 1.34677 2011-07-01 1.14346 2011-10-01 1.09295 2012-01-01 1.19259 2012-04-01 1.08960 2012-07-01 1.07604 2012-10-01 1.09282 2013-01-01 1.06688 2013-04-01 1.00583 2013-07-01 0.99451 2013-10-01 1.01342 2014-01-01 0.98296 2014-04-01 0.99790 2014-07-01 0.92335 2014-10-01 0.87729 2015-01-01 0.85723 2015-04-01 0.85723