Query: What was the budget of the city in 2013
Context: The budget of the city for 2013 was €7.6 billion, of which 5.4 billion went for city administration, while €2.2 billion went for investment. The largest part of the budget (38 percent) went for public housing and urbanism projects; 15 percent for roads and transport; 8 percent for schools (which are mostly financed by the state budget); 5 percent for parks and gardens; and 4 percent for culture.