| Value | Category | Cases | |
|---|---|---|---|
| 0 | 63 |
20.7%
|
|
| 1 | 104 |
34.1%
|
|
| 2 | 77 |
25.2%
|
|
| 3 | 30 |
9.8%
|
|
| 4 | 18 |
5.9%
|
|
| 5 | 7 |
2.3%
|
|
| 6 | 4 |
1.3%
|
|
| 7 | 2 |
0.7%
|
|
| Sysmiss | 21 |