| Value | Category | Cases | |
|---|---|---|---|
| 0 | 111 |
20.5%
|
|
| 1 | 106 |
19.6%
|
|
| 2 | 140 |
25.9%
|
|
| 3 | 97 |
17.9%
|
|
| 4 | 56 |
10.4%
|
|
| 5 | 28 |
5.2%
|
|
| 6 | 2 |
0.4%
|
|
| Missing value | 1 |
0.2%
|