| Value | Category | Cases | |
|---|---|---|---|
| 0 | 87 |
31.8%
|
|
| 1 | 106 |
38.7%
|
|
| 2 | 46 |
16.8%
|
|
| 3 | 26 |
9.5%
|
|
| 4 | 6 |
2.2%
|
|
| 5 | 3 |
1.1%
|
|
| Sysmiss | 977 |