| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1243 |
88.7%
|
| 2 | 1 or 2 times | 106 |
7.6%
|
| 3 | 3 to 9 times | 29 |
2.1%
|
| 4 | 10 or more times | 24 |
1.7%
|
| Sysmiss | 79 |