| Value | Category | Cases | |
|---|---|---|---|
| 0 | NEVER | 45 |
3.2%
|
| 1 | RARELY | 15 |
1.1%
|
| 2 | SOMETIMES | 197 |
14.1%
|
| 3 | OFTEN | 176 |
12.6%
|
| 4 | ALWAYS | 960 |
68.9%
|
| Sysmiss | 3506 |