| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
22%
|
|
| 1 | 46 |
56.1%
|
|
| 2 | 11 |
13.4%
|
|
| 3 | 3 |
3.7%
|
|
| 4 | 3 |
3.7%
|
|
| 9 | 1 |
1.2%
|
|
| Sysmiss | 6875 |