| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1441 |
80.9%
|
| 2 | 1 or 2 times | 268 |
15%
|
| 3 | 3 to 9 times | 46 |
2.6%
|
| 4 | 10 or more times | 27 |
1.5%
|
| Sysmiss | 12 |