With regard to conditional grants budgeted for (a) provincial and (b) municipal spheres of government in the past four financial years, what are the details of (i) each grant partially spent or not spent at all including the amount of each grant (aa) not paid to the provincial and municipal spheres of government, (bb) returned to the national revenue fund by the provincial and municipal spheres of government and (cc) rolled over to future financial years and (ii) the reasons for the amount of each grant not having been spent, (iii) the amount of each grant actually spent and (iv) the amount budgeted for each grant?