| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1875 |
82.4%
|
| 2 | 1 or 2 times | 264 |
11.6%
|
| 3 | 3 to 9 times | 88 |
3.9%
|
| 4 | 10 or more times | 48 |
2.1%
|
| Sysmiss | 21 |