So it is no surprise that this policy has evolved appreciably over the last 38 years, constantly adjusting to changes in the economy, the growing scarcity of resources, technological changes and strengthened European integration.
Ní nach hionadh, mar sin de, gur tháinig athrú ar an bpolasaí seo le 38 mbliana anuas, agus é de shíor á athchur in oiriúint le himeacht na mblianta ag athruithe sa gheilleagar, ag tearcamas na hacmhainne, ag athruithe teicneolaíocha agus ag treisiú na tógála Eorpaí.