In May, non-chain retail prices in Russia increased by 1%, with sausages, mayonnaise, and sunflower oil seeing the highest price increases. When compared to the previous year, prices for these products rose by 9%, 16%, and 5% respectively. The Evotor company, which tracks prices through its product index, also reported a 6% annualized increase in prices across 187 products from 47 key categories. Additionally, the price of mayonnaise increased by 5% in May and by 25% over the year, while the price of vegetable oil rose by 3% in May and by 52% over the year.