| Value | Category | Cases | |
|---|---|---|---|
| 0 | 51 |
28%
|
|
| 1 | 72 |
39.6%
|
|
| 2 | 37 |
20.3%
|
|
| 3 | 16 |
8.8%
|
|
| 4 | 3 |
1.6%
|
|
| 5 | 2 |
1.1%
|
|
| 6 | 1 |
0.5%
|
|
| Sysmiss | 6 |