The Isle of Man Department for Enterprise manages the diversified economy in 12 key sectors. The largest sectors by GNP are insurance and eGaming with 17% of GNP each, followed by ICT and banking with 9% each. The 2016 census lists 41,636 total employed. The largest sectors by employment are "medical and health", "financial and business services", construction, retail and public administration. Manufacturing, focused on aerospace and the food and drink industry, employs almost 2000 workers and contributes about 5% of gross domestic product (GDP). The sector provides laser optics, industrial diamonds, electronics, plastics and aerospace precision engineering. Tourism, agriculture, fishing, once the mainstays of the economy, now make very little contributions to the island's GDP.