The purpose of the calculation of the Service Prices Index (CPI) is to determine the general change in prices of services provided to economic operators over a period of time. The CPI is needed to calculate macroeconomic indicators at constant prices, analyse inflationary processes in the services sector, prepare forecasts. Geographical coverage - The entire economic territory of the country. Reporting period - Quarter. The classifications used are: Classification of economic activities (EERC Rev. 2); Classification of products by type of activity (CPA 2.1). For more information: https://osp.stat.gov.lt/documents/10180/5118910/%C5%AAkio+subjektams+suteikt%C5%B3+paslaug%C5%B3+kain%C5%B3+indeksai+%28PKI%29+ir+kain%C5%B3+poky%C4%8Diai+%5BLT%5D+604.html