| Value |
Category |
| 1 |
Since birth |
| 2 |
Less than one year |
| 3 |
1-4 years |
| 4 |
5-9 years |
| 5 |
10 years and above |
| 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.