| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 0 |
0%
|
| -2 | Don't know | 0 |
0%
|
| -1 | Refusal | 0 |
0%
|
| 1 | Occasionally | 114 |
86.4%
|
| 2 | Often | 16 |
12.1%
|
| 3 | Always | 2 |
1.5%
|
| Sysmiss | 2013 |