| Value | Category | Cases | |
|---|---|---|---|
| 0 | 24 |
0.6%
|
|
| 1 | 397 |
10%
|
|
| 2 | 85 |
2.1%
|
|
| 3 | 23 |
0.6%
|
|
| 4 | 8 |
0.2%
|
|
| 5 | 2 |
0.1%
|
|
| 6 | 2 |
0.1%
|
|
| Missing value | 3428 |
86.4%
|