| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1180 |
61.7%
|
| 2 | 1 or 2 times | 482 |
25.2%
|
| 3 | 3 to 9 times | 168 |
8.8%
|
| 4 | 10 or more times | 84 |
4.4%
|
| Sysmiss | 31 |