;Seasonally adjusted;Seasonally adjusted;Calendar adjusted;Unadjusted; Monthly change;Three-month change;Twelve-month change;NOK million; October 2017 / September 2017;August 2017 - October 2017 / May 2017 - July 2017;October 2017 / October 2016;October 2017; Extraction, mining, manufacturing and elec;-0.2;1.2;3.7;126294; Extraction and related services;-3.0;2.8;3.0;44210; Mining and quarrying;9.1;-10.7;39.0;1270; Manufacturing;1.8;2.5;7.6;70751; Food, beverages and tobacco;0.0;3.8;-0.4;22272; Refined petro., chemicals, pharmac.;-3.6;7.3;39.6;9999; Basic metals;8.2;0.2;31.5;6207; Machinery and equipment;0.6;5.4;-16.6;3521; Ships, boats and oil platforms;5.7;4.6;-7.1;3908; Electricity, gas and steam;-2.8;-9.9;-17.4;10062;