| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
2.3%
|
|
| 1 | 12 |
27.9%
|
|
| 2 | 12 |
27.9%
|
|
| 3 | 3 |
7%
|
|
| 4 | 6 |
14%
|
|
| 5 | 6 |
14%
|
|
| 6 | 1 |
2.3%
|
|
| 7 | 1 |
2.3%
|
|
| 14 | 1 |
2.3%
|
|
| Sysmiss | 2018 |