| Value | Category | Cases | |
|---|---|---|---|
| 0 | 39 |
21.5%
|
|
| 1 | 69 |
38.1%
|
|
| 2 | 47 |
26%
|
|
| 3 | 17 |
9.4%
|
|
| 4 | 7 |
3.9%
|
|
| 6 | 1 |
0.6%
|
|
| 30 | 1 |
0.6%
|
|
| Sysmiss | 7 |