| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 |
5.2%
|
|
| 1 | 312 |
85%
|
|
| 2 | 28 |
7.6%
|
|
| 3 | 6 |
1.6%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 1 |
0.3%
|
|
| Sysmiss | 104 |