[Questions 22-23 were asked of persons aged 14+ who worked or served in regular or professional military service (not including army reserves) last week, per question 13]
22. What was your gross income (before deductions) from wages and salary in all places of work?
A. Last month ____
B. In the last 12 months ____
C. Is the last amount noted gross?
[] 2. No
23. What was your gross income in 1970/71 from your work as self-employed? ____