| Value | Category | Cases | |
|---|---|---|---|
| 0 | 53 |
20.9%
|
|
| 1 | 189 |
74.7%
|
|
| 2 | 9 |
3.6%
|
|
| 3 | 1 |
0.4%
|
|
| 11 | 1 |
0.4%
|
|
| Sysmiss | 57 |