| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1441 |
73.4%
|
| 2 | 1 time | 329 |
16.8%
|
| 3 | 2 or 3 times | 141 |
7.2%
|
| 4 | 4 or 5 times | 22 |
1.1%
|
| 5 | 6 or more times | 30 |
1.5%
|
| Sysmiss | 32 |