| Value | Category | Cases | |
|---|---|---|---|
| 0 | 16 |
5.2%
|
|
| 1 | 215 |
70.5%
|
|
| 2 | 58 |
19%
|
|
| 3 | 12 |
3.9%
|
|
| 4 | 4 |
1.3%
|
|
| Sysmiss | 1 |