;2nd quarter 2020;3rd quarter 2020;4th quarter 2020;Change in per cent;Change in per cent;Change in per cent; 2nd quarter 2020 / 1st quarter 2020;3rd quarter 2020 / 2nd quarter 2020;4th quarter 2020 / 3rd quarter 2020; Extraction, pipeline, mining, manuf. and elec;208.4;203.0;204.8;-6.0;-2.6;0.9; Extraction and pipeline transport;195.0;189.8;197.6;-8.6;-2.7;4.1; Manufacturing, mining and quarrying;142.5;143.6;146.0;-13.6;0.8;1.7; Mining and quarrying;244.9;195.3;297.1;-3.5;-20.3;52.1; Manufacturing;138.3;141.7;140.1;-13.8;2.5;-1.1; Electricity, gas and steam;511.2;463.5;417.5;17.9;-9.3;-9.9;