| Value | Category | Cases | |
|---|---|---|---|
| 1 | Seldom | 80 |
4.6%
|
| 2 | Regular | 17 |
1%
|
| 3 | Often | 13 |
0.8%
|
| 4 | Never | 1261 |
73.3%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 344 |
20%
|
| 99 | Missing | 6 |
0.3%
|
| Sysmiss | 4 |