| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 346 |
73.6%
|
| 2 | 1 or 2 times | 92 |
19.6%
|
| 3 | 3 to 9 times | 18 |
3.8%
|
| 4 | 10 or more times | 14 |
3%
|
| Sysmiss | 51 |