| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1638 |
76.7%
|
| 2 | 1 time | 348 |
16.3%
|
| 3 | 2 or 3 times | 88 |
4.1%
|
| 4 | 4 or 5 times | 39 |
1.8%
|
| 5 | 6 or more times | 23 |
1.1%
|
| Sysmiss | 23 |