| Value | Category | Cases | |
|---|---|---|---|
| 0 | 267 |
81.2%
|
|
| 1 | 2 |
0.6%
|
|
| 2 | 34 |
10.3%
|
|
| 3 | 19 |
5.8%
|
|
| 4 | 4 |
1.2%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 2 |
0.6%
|
|
| Missing value | 3 |