;Index of Indirect costs;Index of Indirect costs;Index of Indirect costs;Index of Indirect costs;Index of Indirect costs; 4th quarter 2017;1st quarter 2018;2nd quarter 2018;3rd quarter 2018;4th quarter 2018; Oil and gas extraction and mining;100.9;104.5;103.4;103.2;102.2; Manufacture;102.2;101.5;100.5;102.3;104.7; Electricity, gas, steam and air conditioning supply;104.2;104.2;105.6;103.8;107.3; Water supply, sewerage, waste;103.6;102.2;101.4;105.7;106.1; Construction;103.1;103.1;102.1;103.8;105.5; Wholesale and retail trade;102.7;103.7;103.0;104.5;105.0; Transportation and storage;103.6;104.5;105.0;103.4;105.8; Hotels and restaurants;101.3;101.3;102.3;103.3;103.8; Information and communication;101.0;103.6;103.5;103.8;103.7; Financial and insurance activities;102.9;101.6;103.6;104.6;106.9; Real estate activities;102.1;102.5;102.8;103.5;106.3; Professional, scientific and technical activities;103.4;105.9;104.1;102.9;105.5; Administrative and support service activities;103.2;101.3;102.4;102.9;105.3; Education;103.2;102.4;102.8;102.5;105.5; Human health and social work activities;103.4;104.4;105.2;105.3;105.8; Arts, entertainment and recreation;101.4;102.7;102.6;104.5;104.1; Personal service activities;103.0;103.3;103.9;105.7;103.3;