| Value | Category | Cases | |
|---|---|---|---|
| 0 | 22 |
12.9%
|
|
| 1 | 69 |
40.4%
|
|
| 2 | 47 |
27.5%
|
|
| 3 | 17 |
9.9%
|
|
| 4 | 9 |
5.3%
|
|
| 5 | 3 |
1.8%
|
|
| 6 | 4 |
2.3%
|
|
| Sysmiss | 29 |