;Sickness absence rates;Sickness absence rates;Sickness absence rates;Change in per cent from previous quarter;Change in per cent from previous quarter;Change in per cent from previous quarter; Self-certified and certified by doctor;Self-certified;Certified by doctor;Self-certified and certified by doctor;Self-certified;Certified by doctor; 3rd quarter 2013;6.36;0.95;5.41;-2.4;-10.8;-0.8; 4th quarter 2013;6.41;0.97;5.43;0.8;2.7;0.5; 1st quarter 2014;6.47;1.01;5.46;1.0;3.5;0.6; 2nd quarter 2014;6.47;0.98;5.49;-0.1;-3.1;0.5; 3rd quarter 2014;6.52;1.06;5.46;0.8;7.9;-0.5; 4th quarter 2014;6.41;0.94;5.47;-1.6;-10.6;0.1; 1st quarter 2015;6.46;1.06;5.40;0.7;11.9;-1.2; 2nd quarter 2015;6.43;1.03;5.40;-0.4;-2.1;-0.1; 3rd quarter 2015;6.36;1.02;5.34;-1.1;-1.5;-1.1; 4th quarter 2015;6.30;0.95;5.35;-0.9;-6.4;0.2; 1st quarter 2016;6.21;0.94;5.27;-1.4;-1.4;-1.4; 2nd quarter 2016;6.30;0.95;5.35;1.3;0.9;1.4; 3rd quarter 2016;6.37;0.98;5.38;1.1;3.6;0.7; 4th quarter 2016;6.34;1.02;5.32;-0.4;4.2;-1.2; 1st quarter 2017;6.40;0.97;5.43;0.9;-5.5;2.1; 2nd quarter 2017;6.51;1.07;5.44;1.8;10.6;0.2; 3rd quarter 2017;6.47;1.02;5.46;-0.6;-4.9;0.3; 4th quarter 2017;6.48;0.98;5.50;0.1;-3.7;0.8; 1st quarter 2018;6.34;0.96;5.38;-2.2;-1.9;-2.2; 2nd quarter 2018;6.21;0.92;5.30;-2.0;-4.5;-1.6;