| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3152 |
90%
|
| 2 | 1 time | 234 |
6.7%
|
| 3 | 2 or 3 times | 79 |
2.3%
|
| 4 | 4 or 5 times | 18 |
0.5%
|
| 5 | 6 or more times | 18 |
0.5%
|
| Sysmiss | 23 |