Imports and exports, Ireland. Statements, showing the annual average amount of imports and exports; the annual average quantities of certain articles retained for home consumption; the rates of duty chargeable thereon; the annual average quantities of certain other articles exported; and, the annual average number and tonnage of vessels entered inwards and cleared outwards in the ports of Ireland, in the triennial periods terminating on 5th January 1790, 1800, 1810, 1820 and 1830, respectively [electronic resource].