| Value | Category | Cases | |
|---|---|---|---|
| 0 | 332 |
25.6%
|
|
| 1 | 206 |
15.9%
|
|
| 2 | 176 |
13.5%
|
|
| 3 | 66 |
5.1%
|
|
| 4 | 22 |
1.7%
|
|
| 5 | 12 |
0.9%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 4 |
0.3%
|
|
| Missing value | 480 |
37%
|