| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1578 |
86.1%
|
| 2 | 1 time | 121 |
6.6%
|
| 3 | 2 or 3 times | 42 |
2.3%
|
| 4 | 4 or 5 times | 53 |
2.9%
|
| 5 | 6 or more times | 38 |
2.1%
|
| Sysmiss | 43 |