| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9 |
15.5%
|
|
| 1 | 29 |
50%
|
|
| 2 | 10 |
17.2%
|
|
| 3 | 5 |
8.6%
|
|
| 4 | 2 |
3.4%
|
|
| 7 | 1 |
1.7%
|
|
| 15 | 1 |
1.7%
|
|
| 18 | 1 |
1.7%
|
|
| Sysmiss | 9650 |