| Value | Category | Cases | |
|---|---|---|---|
| 0 | 144 |
32.2%
|
|
| 1 | 224 |
50.1%
|
|
| 2 | 68 |
15.2%
|
|
| 3 | 9 |
2%
|
|
| 4 | 1 |
0.2%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 1688 |