| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1168 |
77.6%
|
| 2 | 1 time | 193 |
12.8%
|
| 3 | 2 or 3 times | 87 |
5.8%
|
| 4 | 4 or 5 times | 23 |
1.5%
|
| 5 | 6 or more times | 35 |
2.3%
|
| Sysmiss | 23 |