| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2932 |
86.6%
|
| 2 | 1 time | 230 |
6.8%
|
| 3 | 2 or 3 times | 87 |
2.6%
|
| 4 | 4 or 5 times | 77 |
2.3%
|
| 5 | 6 or more times | 59 |
1.7%
|
| Sysmiss | 108 |