| Value | Category | Cases | |
|---|---|---|---|
| 0 | 159 |
4%
|
|
| 1 | 156 |
4%
|
|
| 2 | 32 |
0.8%
|
|
| 3 | 2 |
0.1%
|
|
| 4 | 1 |
0%
|
|
| Missing value | 3581 |
91.1%
|