Value |
Category |
|
NIU (not in universe) |
1 |
1-13 weeks |
2 |
14-26 weeks |
3 |
27-39 weeks |
4 |
40-47 weeks |
5 |
48-49 weeks |
6 |
50-52 weeks |
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.