| Value | Category | Cases | |
|---|---|---|---|
| 1 | rarely (1 or 2 times) | 141 |
48.3%
|
| 2 | sometimes (3 - 10 times) | 113 |
38.7%
|
| 3 | often (more than 10 times) | 31 |
10.6%
|
| 98 | don't know | 5 |
1.7%
|
| 99 | refused | 2 |
0.7%
|
| Sysmiss | 2379 |