| Value | Category | Cases | |
|---|---|---|---|
| 0 | 173 |
22.5%
|
|
| 1 | 88 |
11.4%
|
|
| 2 | 88 |
11.4%
|
|
| 3 | 55 |
7.1%
|
|
| 4 | 5 |
0.6%
|
|
| 5 | 2 |
0.3%
|
|
| 6 | 1 |
0.1%
|
|
| Missing value | 358 |
46.5%
|