| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2653 |
82.7%
|
| 2 | 1 or 2 times | 357 |
11.1%
|
| 3 | 3 to 9 times | 129 |
4%
|
| 4 | 10 or more times | 69 |
2.2%
|
| Sysmiss | 312 |