| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a week | 3 |
14.3%
|
| 2 | Once a month | 0 |
0%
|
| 3 | Once in 3 months | 0 |
0%
|
| 4 | Once a year | 3 |
14.3%
|
| 5 | Occasionally | 15 |
71.4%
|
| Sysmiss | 5870 |