| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1616 |
83%
|
| 2 | 1 or 2 times | 230 |
11.8%
|
| 3 | 3 to 9 times | 54 |
2.8%
|
| 4 | 10 or more times | 46 |
2.4%
|
| Sysmiss | 51 |