the Union’s usage share of imports in percentages, for each individual tariff rate quota is established, over a recent representative three-year period;
déanfar cion úsáide an Aontais d’allmhairí, arna shloinneadh mar chéatadán, do gach cuóta ráta taraife ar leith a bhunú, thar thréimhse ionadaíoch dheireanach 3 bliana;