| Value | Category | Cases | |
|---|---|---|---|
| 0 | 179 |
62.2%
|
|
| 1 | 1 |
0.3%
|
|
| 2 | 43 |
14.9%
|
|
| 3 | 51 |
17.7%
|
|
| 4 | 4 |
1.4%
|
|
| 5 | 7 |
2.4%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 2 |
0.7%
|
|
| Missing value | 7 |