Year Percent per Annum 1999-01-01 4.00 2000-01-01 5.75 2001-01-01 4.25 2002-01-01 3.75 2003-01-01 3.00 2004-01-01 3.00 2005-01-01 3.25 2006-01-01 4.50 2007-01-01 5.00 2008-01-01 3.00 2009-01-01 1.75 2010-01-01 1.75 2011-01-01 1.75 2012-01-01 1.50 2013-01-01 0.75 2014-01-01 0.30 2015-01-01 0.30 2016-01-01 0.25