| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last week | 0 |
0%
|
| 2 | Within the last month | 2 |
4%
|
| 3 | 1 |
2%
|
|
| 4 | Within the last 3 months | 3 |
6%
|
| 5 | Within the last year | 9 |
18%
|
| 6 | More than a year ago | 34 |
68%
|
| 7 | Never | 1 |
2%
|
| 8 | Dont know | 0 |
0%
|
| Sysmiss | 1 |