| Value | Category | Cases | |
|---|---|---|---|
| 0 | 29 |
14.8%
|
|
| 1 | 18 |
9.2%
|
|
| 2 | 18 |
9.2%
|
|
| 3 | 15 |
7.7%
|
|
| 4 | 1 |
0.5%
|
|
| 5 | 1 |
0.5%
|
|
| 7 | 1 |
0.5%
|
|
| Missing value | 113 |
57.7%
|