| Value |
Category |
| 1 |
0-1 Month Ago |
| 2 |
2-3 Months Ago |
| 3 |
4-6 Months Ago |
| 4 |
7-12 Months Ago |
| 5 |
> 1 Year Ago |
| 6 |
Never |
| 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.