Ascertained crimes by the Police in completed preparatory proceedings by powiats (quarterly data)

Data from the Police Headquarters. An ascertained crime is an event, which after the completion of preparatory proceedings was confirmed as a crime. Crime - in connection with the Criminal Code of 1997 - is a felony or misdemeanour prosecuted upon by public accusation or private accusation, in connection with the Penal Fiscal Code - is a fiscal offence. The rate of detectability of delinquents is the relation of the number of detected crimes in a given year (including those detected after resumption following discontinuance) to the total number of crimes ascertained in a given year, plus the number of crimes recorded in commenced proceedings and discontinued in previous years due to undetected delinquents.