23 out of a total of 65 major sectors in the economy were in surplus in each of the last two years, the period marked by the pandemic, according to the ZF analysis, according to data from the Trade Register. Health and social assistance, veterinary activities, food industry, post and courier, the fields being very diverse, in addition to key, large sectors, such as trade and construction, but also scientific and technical activities or research and development, IT services, as well as the food retailer, but also the non-food retailer.