| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3592 |
95.9%
|
| 2 | 1 time | 98 |
2.6%
|
| 3 | 2 or 3 times | 22 |
0.6%
|
| 4 | 4 or 5 times | 31 |
0.8%
|
| 5 | 6 or more times | 4 |
0.1%
|
| Sysmiss | 4 |