| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 866 |
82.5%
|
| 2 | 1 or 2 times | 113 |
10.8%
|
| 3 | 3 to 9 times | 35 |
3.3%
|
| 4 | 10 or more times | 36 |
3.4%
|
| Sysmiss | 67 |