| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 4316 |
84.5%
|
| 1 | Once | 81 |
1.6%
|
| 2 | Twice | 102 |
2%
|
| 3 | 3-5 times | 86 |
1.7%
|
| 4 | 6 times and more | 150 |
2.9%
|
| 5 | I do not know | 3 |
0.1%
|
| 6 | Not applicable | 6 |
0.1%
|
| Sysmiss | 361 |