The objective of the statistical survey on prices for producer products – to collect statistical data about prices of representative products and to calculate the PPI for different periods on the basis of that statistical data, i.e. to calculate the overall change in prices for Lithuanian industrial production sold over a certain period of time. Mining and quarrying, manufacturing, electricity, gas, steam and air conditioning supply, water supply, sewerage, waste management and remediation activities (EVRK Rev. 2, sections B–E).