| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3441 |
87.6%
|
| 2 | 1 time | 292 |
7.4%
|
| 3 | 2 or 3 times | 129 |
3.3%
|
| 4 | 4 or 5 times | 39 |
1%
|
| 5 | 6 or more times | 25 |
0.6%
|
| Sysmiss | 21 |