| Value | Category | Cases | |
|---|---|---|---|
| 0 | 147 |
6.3%
|
|
| 1 | 896 |
38.3%
|
|
| 2 | 424 |
18.1%
|
|
| 3 | 145 |
6.2%
|
|
| 4 | 68 |
2.9%
|
|
| 5 | 47 |
2%
|
|
| 6 | 11 |
0.5%
|
|
| 7 | 62 |
2.7%
|
|
| Missing value | 539 |
23%
|