Ramaphosa and anti-corruption ombudswoman Busisiwe Mkhwebane locked horns after she accused him of electoral fraud
The latest figures pressures President Ramaphosa's administration which campaigned in May to revive the economy
He also said the allegations against him by the Public Protector "are serious… and should not be taken lightly"
Ramaphosa will speak to parliament in Cape Town at 7:00pm (17:00 GMT)
Cyril Ramaphosa is under investigation by the country's anti-corruption watchdog