| Value | Category | Cases | |
|---|---|---|---|
| 0 | 146 |
63.2%
|
|
| 1 | 8 |
3.5%
|
|
| 2 | 6 |
2.6%
|
|
| 3 | 13 |
5.6%
|
|
| 4 | 5 |
2.2%
|
|
| 5 | 2 |
0.9%
|
|
| 7 | 50 |
21.6%
|
|
| Missing value | 1 |
0.4%
|