According to the statistical system, the total retail sales index of social consumer goods involves the data collection of four types of enterprises: wholesale enterprises, retail enterprises, accommodation enterprises and catering enterprises. The starting point above the quota is that the annual main business income of retail enterprises is more than 5 million yuan, that of wholesale enterprises is more than 20 million yuan, and that of accommodation and catering enterprises is more than 2 million yuan. Enterprises above designated size conduct a comprehensive survey, enterprises below designated size conduct a sample survey, and the two data are summarized to form the content of the total retail sales of consumer goods in the whole society.