| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refuse | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 0 | Never | 40 |
0.1%
|
| 1 | Seldom | 104 |
0.3%
|
| 2 | Sometime | 2042 |
5.1%
|
| 3 | Often | 37692 |
94.5%
|
| Sysmiss | 2542 |