Business & Finance South Africa's 3-month T-Bill average yield at 5.59 percent Published March 11, 2011 Updated March 11, 2011 10:42am 1 min Comments By Syed Murtaza Gheblehzadeh Add BRecorder as a trusted source on Google The bid-to-cover ratio rose to 2.2 from 1.44 previously, Reserve Bank data showed.Copyright Reuters, 2011 Read Comments