PRC-EST2004-AGESEX_RES: Estimates of the Resident Population by Single-Year of Age and Sex for Puerto Rico: July 1, 2004 File: 7/1/2004 Puerto Rico Age-Sex Population Estimates File for Internet Display Source: Population Estimates Program, U.S. Bureau of the Census Release Date: January 2005 Data fields (in order of which they appear): VARIABLE DESCRIPTION SUMLEV Geographic Summary Level STATE State FIPS code NAME State Name SEX Sex AGE Age CENSUS2000 4/1/2000 resident Census 2000 population ESTBASE2000 4/1/2000 resident population estimates base POPESTIMATE2000 7/1/2000 resident population estimate POPESTIMATE2001 7/1/2001 resident population estimate POPESTIMATE2002 7/1/2002 resident population estimate POPESTIMATE2003 7/1/2003 resident population estimate POPESTIMATE2004 7/1/2004 resident population estimate The key for SEX is as follows: 0 = Both Sexes 1 = Male 2 = Female AGE is single-year of age (0, 1, 2, ... 80+ years) and 999 for all ages.