| Value |
Category |
| -6 |
Hours varying(even an average over 4 weeks is not possible) |
| -2 |
n.a. (PL031 not = 1, 2, 3 or 4) |
| -1 |
missing |
| 1 |
filled |
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.