| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1919 |
76.5%
|
| 2 | 1 time | 344 |
13.7%
|
| 3 | 2 or 3 times | 142 |
5.7%
|
| 4 | 4 or 5 times | 51 |
2%
|
| 5 | 6 or more times | 53 |
2.1%
|
| Sysmiss | 41 |