(1) Whether any study has been done to ascertain the efficiency/productivity of a certain mine’s (name furnished) diamond mining operations in Alexander Bay in comparison with a private sector mine of comparable size; if not, why not; if so, (a) how many carats of diamonds were being extracted annually at the said mine and (b) how did this compare with productivity in the private sector; (2) whether anything needed to be done to increase the efficiency/productivity of the said mine; if so, what are the relevant details?