Monthly retail sales estimates in Puerto Rico. The statistics are broken down by geographic region (Aguadilla, Arecibo, Bayamon, Caguas, Fajardo, Guayama, Mayaguez, Ponce and San Juan), by business size (Quarterly Payroll of less than $20,000, Quarterly Payroll between $20,000 and $250,000, and Quarterly Payroll greater than $250,000), and by categories in the retail sector of the Standard Industrial Classification (SIC).