| Value |
Category |
| 1 |
0-2 years |
| 2 |
3-5 years |
| 3 |
prim comp |
| 4 |
sec incomp |
| 5 |
sec comp/+ |
| 9 |
unknown |
| 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.