api.census.gov/data/2012/popproj/pop?get=TOTAL_POP,RACE&SEX=1&YEAR=2012&key=YOUR_KEY_GOES_HERE
api.census.gov/data/2012/popproj/births?get=BIRTHS,RACE_HISP&SEX=1&YEAR=2012&key=YOUR_KEY_GOES_HERE
api.census.gov/data/2012/popproj/nim?get=TOTAL_NIM,RACE_HISP&SEX=1&YEAR=2012&key=YOUR_KEY_GOES_HERE