| Value | Category | Cases | |
|---|---|---|---|
| 0 | 256 |
23.2%
|
|
| 1 | 270 |
24.5%
|
|
| 2 | 276 |
25%
|
|
| 3 | 192 |
17.4%
|
|
| 4 | 75 |
6.8%
|
|
| 5 | 25 |
2.3%
|
|
| 6 | 9 |
0.8%
|
|
| 7 | 1 |
0.1%
|
|
| Missing value | 42 |