| Value | Category | Cases | |
|---|---|---|---|
| 0 | 454 |
18.4%
|
|
| 1 | 1633 |
66.2%
|
|
| 2 | 4 |
0.2%
|
|
| 4 | 2 |
0.1%
|
|
| 5 | 5 |
0.2%
|
|
| 6 | 1 |
0%
|
|
| 7 | 367 |
14.9%
|
|
| 8 | 2 |
0.1%
|
|
| Missing value | 875 |