| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 2417 |
82.2%
|
| 2 | no | 522 |
17.7%
|
| 4 | 1 |
0%
|
|
| 9 | 1 |
0%
|
|
| Sysmiss | 59 |