| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1014 |
88.3%
|
| 2 | 1 or 2 times | 79 |
6.9%
|
| 3 | 3 to 9 times | 27 |
2.4%
|
| 4 | 10 or more times | 28 |
2.4%
|
| Sysmiss | 38 |