| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1639 |
66.2%
|
| 2 | 1 or 2 times | 379 |
15.3%
|
| 3 | 3 to 9 times | 246 |
9.9%
|
| 4 | 10 or more times | 210 |
8.5%
|
| Sysmiss | 74 |