| Value | Category | Cases | |
|---|---|---|---|
| 0 | 165 |
66.8%
|
|
| 1 | 39 |
15.8%
|
|
| 2 | 31 |
12.6%
|
|
| 3 | 11 |
4.5%
|
|
| 4 | 1 |
0.4%
|
|
| Sysmiss | 51 |