| Value | Category | Cases | |
|---|---|---|---|
| 0 | 482 |
68.9%
|
|
| 1 | 133 |
19%
|
|
| 2 | 61 |
8.7%
|
|
| 3 | 12 |
1.7%
|
|
| 4 | 5 |
0.7%
|
|
| 5 | 7 |
1%
|
|
| Sysmiss | 9009 |