| Value |
Category |
| 1 |
0-11 months ago |
| 2 |
12-23 months ago |
| 3 |
24-35 months ago |
| 4 |
>= 36 months ago |
| 5 |
Never |
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.