| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1739 |
72.2%
|
| 2 | 1 or 2 times | 381 |
15.8%
|
| 3 | 3 to 9 times | 169 |
7%
|
| 4 | 10 or more times | 118 |
4.9%
|
| Sysmiss | 131 |