;Seasonally adjusted;Seasonally adjusted;Calendar adjusted;Unadjusted; Monthly change;Three-month change;Twelve-month change;NOK million; January 2018 / December 2017;November 2017 - January 2018 / August 2017 - October 2017;January 2018 / January 2017;January 2018; Extraction, mining, manufacturing and elec;1.0;5.5;5.3;136716; Extraction and related services;4.8;8.8;6.3;55278; Mining and quarrying;-6.8;7.6;11.8;1011; Manufacturing;-1.8;2.6;4.6;62673; Food, beverages and tobacco;-7.4;0.0;-5.0;17062; Refined petro., chemicals, pharmac.;-5.6;11.2;3.2;12012; Basic metals;-2.5;9.5;19.0;6191; Machinery and equipment;-20.3;16.4;-2.3;3171; Ships, boats and oil platforms;-1.4;0.6;5.6;3799; Electricity, gas and steam;1.3;8.9;5.0;17754;