| Value | Category | Cases | |
|---|---|---|---|
| 0 | 741 |
24.2%
|
|
| 1 | 38 |
1.2%
|
|
| 2 | 57 |
1.9%
|
|
| 3 | 24 |
0.8%
|
|
| 4 | 2 |
0.1%
|
|
| 5 | 3 |
0.1%
|
|
| 6 | 1 |
0%
|
|
| 7 | 1 |
0%
|
|
| Missing value | 2191 |
71.6%
|