| Value |
Category |
| 0 |
Not given |
| 3 |
|
| 5 |
|
| 6 |
|
| 9 |
|
| 10 |
|
| 12 |
|
| 13 |
|
| 16 |
|
| 17 |
|
| 18 |
|
| 19 |
|
| 20 |
|
| 21 |
|
| 23 |
|
| 25 |
|
| 28 |
|
| 29 |
|
| 44 |
Marked on card - no date |
| 66 |
Reported by mother |
| 97 |
Missing |
| 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.
