| Value | Category | Cases | |
|---|---|---|---|
| 0 | 329 |
22.2%
|
|
| 1 | 843 |
57%
|
|
| 2 | 263 |
17.8%
|
|
| 3 | 32 |
2.2%
|
|
| 7 | 11 |
0.7%
|
|
| 8 | 2 |
0.1%
|
|
| Sysmiss | 90 |