| Value | Category | Cases | |
|---|---|---|---|
| 0 | 42 |
23%
|
|
| 1 | 113 |
61.7%
|
|
| 2 | 22 |
12%
|
|
| 3 | 3 |
1.6%
|
|
| 8 | 1 |
0.5%
|
|
| 30 | 1 |
0.5%
|
|
| 32 | 1 |
0.5%
|
|
| Sysmiss | 5 |