| Value | Category | Cases | |
|---|---|---|---|
| 0 | 73 |
15.8%
|
|
| 1 | 209 |
45.3%
|
|
| 2 | 128 |
27.8%
|
|
| 3 | 38 |
8.2%
|
|
| 4 | 13 |
2.8%
|
|
| Sysmiss | 1 |