| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2104 |
85.6%
|
| 2 | 1 time | 226 |
9.2%
|
| 3 | 2 or 3 times | 82 |
3.3%
|
| 4 | 4 or 5 times | 30 |
1.2%
|
| 5 | 6 or more times | 15 |
0.6%
|
| Sysmiss | 81 |