;Million NOK;Change in per cent; 6th period 2017;6th period 2016 - 6th period 2017; E total;4783;0.6; Waste activities and materials recovery;4344;0.6; Waste collection;1672;-3.7; Waste treatment and disposal;570;0.7; Materials recovery;2102;4.4; Water collection, treatment and supply;100;9.9; Sewerage;312;2.3; Remediation activities and other waste management services;27;-37.2;