Year lending rate minus treasury bill rate, % 1980 2.4686571947441607 1981 2.4686571947441607 1982 2.4686571947441607 1983 2.9918288644375703 1984 4.262388633693 1985 4.3371274436492 1986 4.710821493430201 1987 4.710821493430201 1988 4.299758038671101 1989 4.710821493430201 1990 5.047146138233099 1991 4.6853680321860995 1992 4.7968130358593 1993 5.4218397449356 1994 5.2331882751291 1995 4.5656845250305 1996 4.725113523488099 1997 4.790574321106201 1998 4.8070990509593 1999 5.046381861065701 2000 4.9644838851929 2001 4.626147288747299 2002 4.5626385220607 2003 6.1023845219297 2004 5.088041896219731 2005 4.73745868568079 2006 4.11667779068317 2007 3.8675828634256204 2008 3.9619160921970398 2009 3.5173940873631393 2010 4.228754342835279 2011 4.97321138669609 2012 5.4509089733020595 2013 6.00253132892116 2014 5.89050845222647 2015 6.37608333333333 2016 6.06416666666667 2017 5.89083333333333