| Value | Category | Cases | |
|---|---|---|---|
| 0 | 178 |
28.2%
|
|
| 1 | 172 |
27.2%
|
|
| 2 | 138 |
21.8%
|
|
| 3 | 95 |
15%
|
|
| 4 | 41 |
6.5%
|
|
| 5 | 5 |
0.8%
|
|
| 7 | 1 |
0.2%
|
|
| Missing value | 2 |
0.3%
|