www.stat.fi/meta/luokitukset/cpa/001-2015/37_en.html
... level - Cpa E WATER SUPPLY; SEWERAGE, WASTE MANAGEMENT AND REMEDIATION SERVICES 37 Sewerage services; sewage sludge 37.0 Sewerage services; sewage sludge 37.00 Sewerage services; ...
02/15/2018