| Value | Category | Cases | |
|---|---|---|---|
| 0 | 53 |
84.1%
|
|
| 2 | 1 |
1.6%
|
|
| 3 | 2 |
3.2%
|
|
| 4 | 1 |
1.6%
|
|
| 5 | 1 |
1.6%
|
|
| 6 | 2 |
3.2%
|
|
| 8 | 2 |
3.2%
|
|
| 12 | 1 |
1.6%
|
|
| Sysmiss | 35 |