| Value |
Category |
| 1 |
Yes, presently |
| 2 |
Yes, after March 1991 |
| 3 |
Yes, before Apr, 1991 |
| 4 |
No, never |
| 7 |
Inap |
| 8 |
Do not know |
| 9 |
No response |
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.