| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 287 |
14.4%
|
| 2 | Once | 1483 |
74.6%
|
| 3 | Twice | 0 |
0%
|
| 4 | 3-5 times | 0 |
0%
|
| 5 | 6-10 times | 0 |
0%
|
| 6 | 11-20 times | 0 |
0%
|
| 7 | More than 20 times | 0 |
0%
|
| Sysmiss | 218 |