| Value |
Category |
| 1 |
week |
| 2 |
month |
| 3 |
fortnight (2 weeks) |
| 4 |
trimester |
| 5 |
semester |
| 6 |
year |
| 7 |
by contract/project |
| 8 |
day |
| 9 |
dont know |
| Sysmiss |
|
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.
