| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
5.4%
|
|
| 1 | 13 |
35.1%
|
|
| 2 | 10 |
27%
|
|
| 3 | 1 |
2.7%
|
|
| 4 | 5 |
13.5%
|
|
| 5 | 2 |
5.4%
|
|
| 6 | 1 |
2.7%
|
|
| 7 | 2 |
5.4%
|
|
| 18 | 1 |
2.7%
|
|
| Sysmiss | 9671 |