After losing momentum in the wake of the consumption tax hike in April 2014, the rate of change turned upward again with the expansion of QQE, but then started to decline once again in 2016.
X P Guma: Banking in Africa and its future outlook Address by Dr X P Guma, Deputy Governor of the South African Reserve Bank, to the African Banking Congress 2008, Johannesburg, 8 July 2008. *  *  *  1.