| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3297 |
80.7%
|
| 2 | 1 time | 463 |
11.3%
|
| 3 | 2 or 3 times | 197 |
4.8%
|
| 4 | 4 or 5 times | 53 |
1.3%
|
| 5 | 6 or more times | 76 |
1.9%
|
| Sysmiss | 86 |