The tertiary sector (trade and services) represented 75.8% of the country's GDP in 2018, according to the IBGE. The service sector was responsible for 60% of GDP and trade for 13%. It covers a wide range of activities: commerce, accommodation and catering, transport, communications, financial services, real estate activities and services provided to businesses, public administration (urban cleaning, sanitation, etc.) and other services such as education, social and health services, research and development, sports activities, etc., since it consists of activities complementary to other sectors. Micro and small businesses represent 30% of the country's GDP. In the commercial sector, for example, they represent 53% of the GDP within the activities of the sector.