| Value | Category | Cases | |
|---|---|---|---|
| 0 | 55 |
18.8%
|
|
| 1 | 195 |
66.8%
|
|
| 2 | 40 |
13.7%
|
|
| 3 | 1 |
0.3%
|
|
| 4 | 1 |
0.3%
|
|
| Sysmiss | 18 |