;3rd quarter 2019;4th quarter 2019;1st quarter 2020;2nd quarter 2020;3rd quarter 2020; A+B+C Indicator of resource shortage;29;26;22;19;19; A Supply of labour, per cent;8;6;5;4;4; B Supply of raw mat electric power, per cent;4;4;4;4;4; C Units having full capacity, per cent;17;16;13;11;11;