| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1499 |
81.6%
|
| 2 | 1 time | 169 |
9.2%
|
| 3 | 2 or 3 times | 89 |
4.8%
|
| 4 | 4 or 5 times | 42 |
2.3%
|
| 5 | 6 or more times | 37 |
2%
|
| Sysmiss | 41 |