(1) How much was paid to public servants (a) as compensation for overtime worked, and (b) in respect of subsistence and travel claims in the (i) 2010-11, (ii) 2011-12, (iii) 2012-13, (iv) 2013-14 and (v) 2014-15 financial years for each (aa) national and (bb) provincial (aaa) department and (bbb) any entity reporting to the National Treasury; (2) whether any measures are being implemented to curb expenditure on compensation paid for (a) overtime worked and (b) subsistence and travel claims; if not, why not; if so, what are the relevant details in each case?