| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 4694 |
86.1%
|
| 2 | 1 or 2 times | 580 |
10.6%
|
| 3 | 3 to 9 times | 106 |
1.9%
|
| 4 | 10 or more times | 69 |
1.3%
|
| Sysmiss | 212 |