| Value | Category | Cases | |
|---|---|---|---|
| 0 | 223 |
25.5%
|
|
| 1 | 388 |
44.4%
|
|
| 2 | 201 |
23%
|
|
| 3 | 47 |
5.4%
|
|
| 4 | 11 |
1.3%
|
|
| 5 | 2 |
0.2%
|
|
| 6 | 1 |
0.1%
|
|
| Missing value | 273 |