| Value | Category | Cases | |
|---|---|---|---|
| 0 | 149 |
3.8%
|
|
| 1 | 180 |
4.5%
|
|
| 2 | 89 |
2.2%
|
|
| 3 | 31 |
0.8%
|
|
| 4 | 3 |
0.1%
|
|
| Missing value | 3517 |
88.6%
|