| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
1.1%
|
|
| 1 | 259 |
72.8%
|
|
| 2 | 77 |
21.6%
|
|
| 3 | 5 |
1.4%
|
|
| 4 | 7 |
2%
|
|
| 5 | 3 |
0.8%
|
|
| 7 | 1 |
0.3%
|
|
| Sysmiss | 21 |