| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3533 |
82.4%
|
| 2 | 1 or 2 times | 488 |
11.4%
|
| 3 | 3 to 9 times | 170 |
4%
|
| 4 | 10 or more times | 96 |
2.2%
|
| Sysmiss | 87 |