| Value | Category | Cases | |
|---|---|---|---|
| 0 | 374 |
44.7%
|
|
| 1 | 121 |
14.5%
|
|
| 2 | 165 |
19.7%
|
|
| 3 | 97 |
11.6%
|
|
| 4 | 30 |
3.6%
|
|
| 5 | 14 |
1.7%
|
|
| 6 | 4 |
0.5%
|
|
| 7 | 29 |
3.5%
|
|
| Missing value | 2 |
0.2%
|