Occupational status:
P18. Has [person] worked during the last seven days?
If no, circle the corresponding code and go to P21.
[] 1. Employed (OCC)
[] 2. Unemployed and looking (CHO)
[] 3. Looking for first job (QUE)
[] 4. Retired (RET)
[] 5. Housewife (FOY)
[] 6. Student (ETU)
[] 7. Shareholder (REN)
[] 8. Other inactive persons (AUT)