| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2103 |
82.1%
|
| 2 | 1 or 2 times | 362 |
14.1%
|
| 3 | 3 to 9 times | 66 |
2.6%
|
| 4 | 10 or more times | 32 |
1.2%
|
| Sysmiss | 65 |