| Value | Category | Cases | |
|---|---|---|---|
| 0 | 40 |
49.4%
|
|
| 1 | 21 |
25.9%
|
|
| 2 | 4 |
4.9%
|
|
| 5 | 1 |
1.2%
|
|
| 7 | 1 |
1.2%
|
|
| Missing value | 14 |
17.3%
|