Whether any coal was (a) exported from and (b) imported into any habour in each of the past five financial years up to the latest specified date for which information is available; if not, what is the position in this regard in each case; if so, in each case, (i) from which habour, (ii) by which company, (iii) to which country, (iv) what was the (aa) weight, (bb) quality and (cc) monetary value of the coal in each case and (v) what was the imported coal used for?