| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9 |
3.2%
|
|
| 1 | 199 |
70.1%
|
|
| 2 | 64 |
22.5%
|
|
| 3 | 8 |
2.8%
|
|
| 4 | 4 |
1.4%
|
|
| Missing value | 74 |