| Value | Category | Cases | |
|---|---|---|---|
| 0 | 57 |
20.5%
|
|
| 1 | 120 |
43.2%
|
|
| 2 | 51 |
18.3%
|
|
| 3 | 24 |
8.6%
|
|
| 4 | 21 |
7.6%
|
|
| 5 | 2 |
0.7%
|
|
| 6 | 1 |
0.4%
|
|
| 7 | 2 |
0.7%
|
|
| Sysmiss | 177 |