| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1222 |
66.3%
|
| 2 | 1 or 2 times | 381 |
20.7%
|
| 3 | 3 to 9 times | 152 |
8.3%
|
| 4 | 10 or more times | 87 |
4.7%
|
| Sysmiss | 35 |