| Value | Category | Cases | |
|---|---|---|---|
| 0 | 215 |
58%
|
|
| 1 | 85 |
22.9%
|
|
| 2 | 58 |
15.6%
|
|
| 3 | 8 |
2.2%
|
|
| 4 | 4 |
1.1%
|
|
| 8 | 1 |
0.3%
|
|
| Sysmiss | 29 |