| Value | Category | Cases | |
|---|---|---|---|
| 0 | 395 |
82.3%
|
|
| 1 | 58 |
12.1%
|
|
| 2 | 20 |
4.2%
|
|
| 3 | 7 |
1.5%
|
|
| Sysmiss | 1 |