| Value | Category | Cases | |
|---|---|---|---|
| 0 | 651 |
27.8%
|
|
| 1 | 97 |
4.1%
|
|
| 2 | 204 |
8.7%
|
|
| 3 | 261 |
11.2%
|
|
| 4 | 119 |
5.1%
|
|
| 5 | 135 |
5.8%
|
|
| 6 | 19 |
0.8%
|
|
| 7 | 314 |
13.4%
|
|
| Missing value | 539 |
23%
|