(1) What is the total (a) weight and (b) value of all (i) metal, (ii) copper, (iii) copper alloy and (iv) aluminium that was exported from all ports (aa) in the (aaa) 2006-07, (bbb) 2007-08, (ccc) 2008-09, (ddd) 2009-10 and (eee) 2010-11 financial years and (bb) during the period 1 April 2011 up to the latest specified date for which information is available; (2) (a) what proportion was (i) newly mined and (ii) scrap metal and (b) to which specified countries were the metals exported in each case; (3) whether any income in the form of export duties was derived from these exports; if not, why not; if so, what are the relevant details; (4) whether (a) copper, (b) copper alloy and (c) aluminium are imported; if not, what is the position in each case; if so, in each case, (i) why and (ii) how much?