| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.4%
|
|
| 1 | 70 |
28%
|
|
| 2 | 61 |
24.4%
|
|
| 3 | 43 |
17.2%
|
|
| 4 | 7 |
2.8%
|
|
| 5 | 16 |
6.4%
|
|
| 6 | 21 |
8.4%
|
|
| 7 | 31 |
12.4%
|
|
| Sysmiss | 1012 |