According to the State Statistical Office data, in December 2019, the Industrial producer prices, total, decreased by 1.8% at the monthly level and at the annual level the prices increased by 1.5%. In December 2019, in comparison with November 2019, the Industrial producer prices, total, decreased in the section Mining and quarrying by 5.1%, in the section Manufacturing by 1.5% and in the section Electricity, gas, steam and air conditioning supply by 1.3%. In December 2019, in comparison with December 2018, the Industrial producer prices, total, decreased in the section Mining and quarrying by 6.3% and in the section Electricity, gas, steam and air conditioning supply by 0.2%, while in the section Manufacturing the prices increased by 2.3%. ??????