| Value |
Category |
| 01 |
Never worked, or worked only before 1980 |
| 02 |
Did not work in 1980, but did in 1981 |
| 03 |
Worked 1 to 13 weeks full-time |
| 04 |
Worked 1 to 13 weeks part-time |
| 05 |
Worked 14 to 26 weeks full-time |
| 06 |
Worked 14 to 26 weeks part-time |
| 07 |
Worked 27 to 39 weeks full-time |
| 08 |
Worked 27 to 39 weeks part-time |
| 09 |
Worked 40 to 48 weeks full-time |
| 10 |
Worked 40 to 48 weeks part-time |
| 11 |
Worked 49 to 52 weeks full-time |
| 12 |
Worked 49 to 52 weeks part-time |
| 99 |
NIU (not in universe) |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.