| Value |
Category |
| 1 |
Since birth |
| 2 |
Less than 1 year |
| 3 |
1 & lless 3 years |
| 4 |
3 & less 5 years |
| 5 |
5 + years |
| 9 |
Not Stated |
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.