| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1525 |
78%
|
| 2 | 1 or 2 times | 289 |
14.8%
|
| 3 | 3 to 9 times | 87 |
4.4%
|
| 4 | 10 or more times | 55 |
2.8%
|
| Sysmiss | 24 |