Industry value added (IVA) measures the value of industry outputs less the value of materials and services purchased and used up in the production of those outputs. Graph 19.2 depicts growth in chain volume measures of IVA for the period 1993-94 to 1998-99 inclusive. Total IVA for 1998-99 in chain volume terms was $71,981m, representing a 3.9% increase over 1997-98, with an 11.4% increase over the five year period from 1993-94.