Data on sales by individual manufacturing sectors in the first four months show (pharmacy data are confidential) that revenues were higher compared to the same period in 2019 in the manufacture of other vehicles and vessels (+ 16%), the manufacture of electrical appliances (+ 12%), computers, electronic and optical products (+9%), rubber and plastic products (+9%), manufacture of other machinery and equipment (+8%), wood working and processing (+ 7%), manufacture of fabricated metal products 6%), production of chemicals (+5%), production of furniture (+5%) and in four other activities. Sales were lower in nine sectors.