| Value | Category | Cases | |
|---|---|---|---|
| 0 | 72 |
21.1%
|
|
| 1 | 218 |
63.9%
|
|
| 2 | 43 |
12.6%
|
|
| 3 | 5 |
1.5%
|
|
| 4 | 3 |
0.9%
|
|
| Missing value | 47 |