| Value | Category | Cases | |
|---|---|---|---|
| 0 | 122 |
73.1%
|
|
| 1 | 29 |
17.4%
|
|
| 2 | 4 |
2.4%
|
|
| 3 | 1 |
0.6%
|
|
| 4 | 8 |
4.8%
|
|
| 5 | 3 |
1.8%
|
|
| Sysmiss | 138 |