| Value | Category | Cases | |
|---|---|---|---|
| 0 | 135 |
3.4%
|
|
| 1 | 154 |
3.9%
|
|
| 2 | 51 |
1.3%
|
|
| 3 | 8 |
0.2%
|
|
| 4 | 1 |
0%
|
|
| 5 | 1 |
0%
|
|
| Missing value | 3581 |
91.1%
|