| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 618 |
69.9%
|
| 2 | 1 or 2 times | 175 |
19.8%
|
| 3 | 3 to 9 times | 53 |
6%
|
| 4 | 10 or more times | 38 |
4.3%
|
| Sysmiss | 67 |