| Value | Category | Cases | |
|---|---|---|---|
| 0 | 313 |
95.1%
|
|
| 1 | 1 |
0.3%
|
|
| 2 | 7 |
2.1%
|
|
| 3 | 7 |
2.1%
|
|
| 4 | 1 |
0.3%
|
|
| Missing value | 3 |