(a) What are the full relevant details of the Expenditure Reductions for the 2016 Medium-Term Expenditure Framework, as highlighted in Table 3.3 on page 31 of the 2016 Budget Review, in terms of the source of the specified reductions in the (i) 2017-18 and (ii) 2018-19 financial years in each (aa) national department, (bb) province and (cc) municipality and (b) what percentage do the specified amounts represent in each case in respect of the (i) reductions at each level, (ii) total reduction and (iii) total reduction in each specified financial year?