There were 810,388 households out of which 28.61% had children under the age of 18 living with them, 42.80% were Marriage living together, 15.28% had a female householder with no husband present, and 36.67% were non-families. 28.79% of all households were made up of individuals and 11.07% (3.31% male and 7.76% female) had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.14.

How many percent do not have children under the age of 18 living with them?
A: 71.39

Colombia has well-developed air routes and an estimated total of 984 airports, 100 of which have paved runways, plus two heliports. Of the 74 main airports, 20 can accommodate jet aircraft. Two airports are more than 3,047 meters in length, nine are 2,438–3,047 meters, 39 are 1,524–2,437 meters, 38 are 914–1,523 meters, 12 are shorter than 914 meters, and 880 have unpaved runways. The government has been selling its stake in local airports in order to allow their privatization. The country has 40 regional airports, and the cities of Bogotá, Medellín, Cali, Barranquilla, Bucaramanga, Cartagena, Cúcuta, Leticia, Pereira, San Andrés, and Santa Marta have international airports. Bogotás El Dorado International Airport handles 550 million metric tons of cargo and 22 million passengers a year, making it the largest airport in Latin America in terms of cargo and the third largest in passenger numbers.

How many airports in Colombia are not considered main airports?
A: 910

According to the last national agricultural census, there were 1.6 million farms in 2010 (-32.4% since 2000) covering 12.7 million hectares (63% of which are located in Southern Italy). The vast majority (99%) are family-operated and small, averaging only 8 hectares in size. Of the total surface area in agricultural use (forestry excluded), grain fields take up 31%, olive tree orchards 8.2%, vineyards 5.4%, citrus orchards 3.8%, sugar beets 1.7%, and horticulture 2.4%. The remainder is primarily dedicated to pastures (25.9%) and feed grains (11.6%). The northern part of Italy produces primarily Maize, rice, sugar beets, soybeans, meat, fruits and dairy products, while the South specializes in wheat and citrus fruits. Livestock includes 6 million head of cattle, 8.6 million head of swine, 6.8 million head of sheep, and 0.9 million head of goats. The total annual production of the Fishing industry by country from capture and aquaculture, including crustaceans and molluscs, is around 480,000 tons.

How many percent of the surface area is not used for pastures?
A:
74.1