;3rd quarter 2018;4th quarter 2018;1st quarter 2019;Change in per cent;Change in per cent;Change in per cent; 3rd quarter 2018 / 2nd quarter 2018;4th quarter 2018 / 3rd quarter 2018;1st quarter 2019 / 4th quarter 2018; Extraction, pipeline, mining, manuf. and elec;189.7;199.2;195.8;6.1;5.0;-1.7; Extraction and pipeline transport;170.2;183.8;183.2;5.4;8.0;-0.3; Manufacturing, mining and quarrying;139.2;137.0;163.4;1.5;-1.6;19.3; Mining and quarrying;179.6;148.2;269.3;-1.6;-17.5;81.7; Manufacturing;137.2;135.9;156.8;2.5;-0.9;15.4; Electricity, gas and steam;495.7;479.0;440.6;7.0;-3.4;-8.0;