| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2148 |
78.4%
|
| 2 | 1 or 2 times | 385 |
14.1%
|
| 3 | 3 to 9 times | 125 |
4.6%
|
| 4 | 10 or more times | 82 |
3%
|
| Sysmiss | 96 |