| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1565 |
87.3%
|
| 2 | 1 time | 137 |
7.6%
|
| 3 | 2 or 3 times | 55 |
3.1%
|
| 4 | 4 or 5 times | 16 |
0.9%
|
| 5 | 6 or more times | 19 |
1.1%
|
| Sysmiss | 16 |