| Value | Category | Cases | |
|---|---|---|---|
| 0 | 151 |
65.4%
|
|
| 2 | 20 |
8.7%
|
|
| 3 | 2 |
0.9%
|
|
| 4 | 28 |
12.1%
|
|
| 5 | 2 |
0.9%
|
|
| 6 | 28 |
12.1%
|
|
| Sysmiss | 103 |