| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don’t know | 11 |
0.2%
|
| -8 | Refused | 5 |
0.1%
|
| -3 | Missing | 12 |
0.2%
|
| 1 | Some of the time | 182 |
3.4%
|
| 2 | Most of the time | 600 |
11.2%
|
| 3 | All of the time | 4568 |
84.9%
|
| Sysmiss | 2687 |