| Value | Category | Cases | |
|---|---|---|---|
| 0 | 272 |
28.7%
|
|
| 1 | 515 |
54.3%
|
|
| 2 | 117 |
12.3%
|
|
| 3 | 40 |
4.2%
|
|
| 4 | 5 |
0.5%
|
|
| Sysmiss | 51 |