(1) What is the breakdown with regard to the current price per liter of (a) petrol and (b) diesel in terms of the (i) cost of petrol or diesel, (ii) fuel levy, (iii) tax and (iv) any other items; (2) what amount has been collected by National Treasury through fuel levy (a) in the (i) 2011-12, (ii) 2012-13, (iii) 2013-14 and (iv) 2014-15 financial years and (b) since 1 April 2015; (3) whether any amount is ring-fenced for the maintenance of roads; if so, what amount has been spent on maintaining roads (a) in the (i) 2011-12, (ii) 2012-13, (iii) 2013-14 and (iv) 2014-15 financial years and (b) since 1 April 2015?