Year lending rate minus deposit rate, % 2002 4.669330097372349 2003 6.88902165290653 2004 10.1478935584223 2005 13.1345122519597 2006 14.637055006067001 2007 11.9661491736437 2008 14.2241502669225 2009 15.03520286699284 2010 14.75198350071695 2011 14.224913276172831 2012 13.418697201197782 2013 17.75534781859342 2014 19.04172131242568 2015 21.61006370803949 2016 21.40973206480588 2017 25.96710065827646 2018 23.35168142207085 2019 18.37452397553583