| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don’t know | 10 |
0.2%
|
| -8 | Refused | 5 |
0.1%
|
| -3 | Missing | 0 |
0%
|
| 1 | Some of the time | 229 |
4.1%
|
| 2 | Most of the time | 684 |
12.2%
|
| 3 | All of the time | 4674 |
83.4%
|
| Sysmiss | 2449 |