Quarter Billions of US Dollars 1998-10-01 0.009007 1999-01-01 0.010850 1999-04-01 0.005176 1999-07-01 0.011386 1999-10-01 0.010190 2000-01-01 0.032199 2000-04-01 0.036863 2000-07-01 0.022543 2000-10-01 0.009345 2001-04-01 0.013727 2001-10-01 0.013954 2002-01-01 0.017525 2002-04-01 0.023368 2002-07-01 0.033417 2003-01-01 0.028294 2003-04-01 0.010000 2003-07-01 0.024108 2003-10-01 0.020943 2004-01-01 0.085024 2004-04-01 0.039734 2004-07-01 0.012219 2006-07-01 0.025481 2007-07-01 0.041228 2014-10-01 0.044341 2015-04-01 0.032038