Production of heat, months

Unit: GWh

2009201020112012201320142015201620172018
January1 0171 3321 1531 0671 1411 1699481 1861 0311 153
February1 0041 0771 1261 1539398188248439191 265
March9259749439051 0387677838588701 311
April632649643664665568636628746972
May336401414382346388413347439660
June271290276292256287286254292643
July253232235251248240258236269572
August247265261269251259260283295559
September285356298327301312319328362612
October720672537609575632608689661979
November794832665744687786665874777..
December1 0681 1527661 131809911768894914..