;Index of production. Seasonally adjusted;Index of production. Seasonally adjusted;Index of production. Calendar adjusted;Weights; Monthly change;Three-month change;Twelve-month change; March 2018 / February 2018;January 2018 - March 2018 / October 2017 - December 2017;March 2018 / March 2017; Extraction, mining, manufacturing and elec;-0.7;2.7;0.2;100.0; Extraction and related services;-0.8;0.4;-6.3;61.8; Mining and quarrying;15.4;6.7;11.9;0.7; ;;;;; Manufacturing;-0.1;-1.1;0.9;29.8; Food, beverage and tobacco;0.0;-3.1;-1.4;6.4; Refined petro., chemicals, pharmac.;-6.6;-4.6;-15.4;4.1; Basic metals;0.4;-1.5;4.0;1.7; Machinery and equipment;2.8;1.5;7.7;2.2; Ships, boats and oil platforms;4.5;6.4;21.1;2.1; ;;;;; Electricity, gas and steam;-4.1;2.0;10.4;7.7;