| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1794 |
82%
|
| 2 | Once | 79 |
3.6%
|
| 3 | Twice | 60 |
2.7%
|
| 4 | 3-5 times | 51 |
2.3%
|
| 5 | 6-10 times | 28 |
1.3%
|
| 6 | 11-20 times | 21 |
1%
|
| 7 | More than 20 times | 53 |
2.4%
|
| 8 | Not applicable | 100 |
4.6%
|
| Sysmiss | 2 |