Bulgaria is a lower middle-income country. Bulgarian economy is a free market economy. The economy has made an impressive progress in the recent years by maintaining long-term stability and sustained growth. The main industries with a great importance for the country are food-processing, wine and tobacco industries as well as the plant growing and the stockbreeding. Bulgaria is renowned producer and exporter of wine to more than 70 countries in the world. Bulgaria's chief mineral resources include bauxite, copper, lead, zinc, coal, lignite, iron ore, and oil and natural gas. Some of the Bulgarias major trading partners include Germany, Italy, Turkey, Russia, Greece, Belgium, France, Romania, and the US.