Main production figures of the 12 months of 2018: mine production: 858 623 t Δ 2,0% to the business plan, Δ 39,4% to the previous year.   Ore processing: 838 125 t ∇ 0,4% to the business plan, Δ 36,0% to the previous year.   Production of lead in concentrate: 10 480 t ∇ 0,7% to the business plan, Δ 35,5% to the previous year.   Production of zinc in concentrate: 17 525 t Δ 5,1% to the business plan, Δ 48,7% to the previous year.   Lead concentrate production: 16 132 t ∇ 5,8% to the business plan, Δ 30,1% to the previous year.   Zinc concentrate production: 35 319 t Δ 3,0% to the business plan, Δ 47,3% to the previous year.