Quarter Billions of US Dollars 1994-04-01 0.15526 1994-07-01 0.15530 1994-10-01 0.15508 1995-01-01 0.15518 1995-04-01 0.15508 1995-07-01 0.15520 1995-10-01 0.15520 1996-01-01 0.15516 1996-04-01 0.15504 1996-07-01 0.15518 1996-10-01 0.15512 1997-01-01 0.15484 1997-04-01 0.15490 1997-07-01 0.15508 1997-10-01 0.15492 1998-01-01 0.15486 1998-04-01 0.15496 1998-07-01 0.15494 1998-10-01 0.15492 1999-01-01 0.15486 1999-04-01 0.15472 1999-07-01 0.15452 1999-10-01 0.15442 2000-01-01 0.15412 2000-04-01 0.15396 2000-07-01 0.15393 2000-10-01 0.15393 2001-01-01 0.15391 2001-04-01 0.07695 2001-07-01 0.07693 2001-10-01 0.07695 2002-01-01 0.07693 2010-04-01 0.60000 2010-07-01 0.60000 2010-10-01 0.00024 2011-01-01 0.00024 2011-04-01 0.71104 2011-07-01 0.72409 2011-10-01 0.73029 2012-01-01 0.73106 2012-04-01 0.72752 2012-07-01 0.72568 2012-10-01 0.73161 2013-01-01 1.73316 2013-04-01 1.00000 2013-07-01 1.00000 2013-10-01 1.00000 2014-01-01 1.00000 2014-04-01 1.00000 2014-07-01 1.00000 2014-10-01 1.00000 2015-01-01 1.00000 2015-04-01 1.00000