| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1974 |
82%
|
| 2 | 1 or 2 times | 287 |
11.9%
|
| 3 | 3 to 9 times | 82 |
3.4%
|
| 4 | 10 or more times | 65 |
2.7%
|
| Sysmiss | 119 |