Seven listed companies have published details of what their CEOs were paid last year, opening a new frontier of transparency that their peers continue to resist despite the push by regulators.Sanlam Kenya #ticker:PAFR , Nairobi Securities Exchange (NSE) #ticker:NSE , Deacons East Africa #ticker:DCON , KenolKobil #ticker:KENO , KenGen #ticker:KEGN and Kenya Re #ticker:KNRE make the…