| Value | Category | Cases | |
|---|---|---|---|
| 0 | 407 |
9.2%
|
|
| 1 | 465 |
10.5%
|
|
| 2 | 159 |
3.6%
|
|
| 3 | 24 |
0.5%
|
|
| 4 | 8 |
0.2%
|
|
| 6 | 2 |
0%
|
|
| Missing value | 3375 |
76%
|