| Value | Category | Cases | |
|---|---|---|---|
| 0 | 254 |
77%
|
|
| 1 | 6 |
1.8%
|
|
| 2 | 31 |
9.4%
|
|
| 3 | 28 |
8.5%
|
|
| 4 | 5 |
1.5%
|
|
| 5 | 4 |
1.2%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| Missing value | 2 |