| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2180 |
82.2%
|
| 2 | 1 or 2 times | 317 |
12%
|
| 3 | 3 to 9 times | 78 |
2.9%
|
| 4 | 10 or more times | 76 |
2.9%
|
| Sysmiss | 159 |