Year lending rate minus treasury bill rate, % 2007 4.471906796233499 2008 4.484931039143701 2009 5.3820111235866 2010 6.116538864254901 2011 5.477050434240599 2012 4.37531901972522 2013 3.0752142978051893 2014 3.64774238858608 2015 5.29541666666667 2016 5.13916666666667 2017 6.359999999999999 2018 6.13011591666667