| Value | Category | Cases | |
|---|---|---|---|
| 0 | 26 |
8.6%
|
|
| 1 | 228 |
75%
|
|
| 2 | 46 |
15.1%
|
|
| 3 | 3 |
1%
|
|
| 4 | 1 |
0.3%
|
|
| Missing value | 914 |