1023 Y5a. What is your main occupation? (What sort of work do you do?) (IF NOT CLEAR; Tell me a little more about what you do.) Code number pre-coded in green Use 3 digit 1980 CENSUS OCCUPATION CODE, EXCEPT: 998. DK 999. NA ICPSR 8298 Page 149 000. INAP, 40, 50, 60, 70, 75., 80, 99 in 1022