Industry in Brazil – from automobiles, steel and petrochemicals to computers, aircraft and consumer durables – accounted for 30.8% of the gross domestic product. Industry is highly concentrated in metropolitan São Paulo, Rio de Janeiro, Campinas, Porto Alegre, and Belo Horizonte. Brazil has become the fourth largest car market in the world. Major export products include aircraft, electrical equipment, automobiles, ethanol, textiles, footwear, iron ore, steel, coffee, orange juice, soybeans and corned beef. In total, Brazil ranks 23rd worldwide in value of exports. In the food industry, in 2019, Brazil was the second largest exporter of processed foods in the world. In 2016, the country was the 2nd largest producer of pulp in the world and the 8th producer of paper. In the footwear industry, in 2019, Brazil ranked 4th among world producers. In 2019, the country was the 8th producer of vehicles and the 9th producer of steel in the world. In 2018, the chemical industry of Brazil was the 8th in the world. Although it was among the 5 largest world producers in 2013, Brazil's textile industry is very little integrated into world trade.