The city is a major center for finance, sales, transportation, tourism, media, while major industries that work is the timber, petroleum, gas, flour milling, oil, rum, camu camu and bakery. The fishing industry is another big support for the economy of the city. The Belen Market has a frenetic commercial activity that is part of its economy. Iquitos has great financial backing has been able to help it progress now since its role in the rubber boom, although must be overcome with effort after the rubber was no longer produced in the city. The petroleum industry, despite being outside the urban area of Iquitos, has greatly influenced its evolution. In addition, trade has mainly helped the growth of the city. In San Juan Bautista, economic development is based on agriculture (sugar cane, pijuayo, caimito), fish, poultry, livestock (cattle, bubaline) and mining. The petroleum, one of the most precious resources, extracted mainly from the region northwest of Loreto and part of it is transported to the refinery in Iquitos. The timber transport is another important economic factor, however, due to the Free Trade Agreement between Peru and the United States, the gross exploitation of timber has decreased considerably.