I have been advised by the South African Post Office (SAPO) as follows:-
The current account balance on the corresponding dates was as follows:
a) 30 November 2015: R 230 264 199 (OD)
b) 31 December 2015: R 181 495 765 (OD)
c) 31 January 2016: R 218 439 294 (OD)