| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 984 |
20%
|
| 2 | Yes, but rarely | 535 |
10.9%
|
| 3 | Yes, sometimes | 3380 |
68.6%
|
| 4 | Yes, frequently | 28 |
0.6%
|
| Sysmiss | 12090 |