| Value | Category | Cases | |
|---|---|---|---|
| 0 | 171 |
83.4%
|
|
| 1 | 25 |
12.2%
|
|
| 2 | 5 |
2.4%
|
|
| 3 | 1 |
0.5%
|
|
| 5 | 2 |
1%
|
|
| 6 | 1 |
0.5%
|
|
| Sysmiss | 4 |