Year	lending rate minus treasury bill rate, %
2006	6.214499999999999
2007	6.139600000000001
2008	6.804825
2009	6.670000000000001
2010	8.586016666666701
2011	9.37672499999997
2013	8.643937499999996
2014	7.048458333333341
2015	7.0777500000000035