| Value | Category | Cases | |
|---|---|---|---|
| 0 | 226 |
68.9%
|
|
| 1 | 71 |
21.6%
|
|
| 2 | 25 |
7.6%
|
|
| 3 | 4 |
1.2%
|
|
| 15 | 1 |
0.3%
|
|
| 32 | 1 |
0.3%
|
|
| Sysmiss | 27 |