| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.2%
|
|
| 1 | 397 |
73.4%
|
|
| 2 | 6 |
1.1%
|
|
| 3 | 9 |
1.7%
|
|
| Missing value | 128 |
23.7%
|