The economy of Punjab is characterized by a productive, increasingly commercial agriculture, a diversity of small- and medium-scale industries, and the highest per capita income in the nation. Wheat and cotton are the principal crops. Live- stock and poultry are also raised in large numbers. Industries with the largest number of workers include cotton, woollen and silk textiles, metal products and machinery, food and beverages, and transport equipment and parts. Others: hosiery, bicycles, sewing machines, and sporting goods.