| Value | Category | Cases | |
|---|---|---|---|
| 0 | 138 |
20.1%
|
|
| 1 | 439 |
64.1%
|
|
| 2 | 96 |
14%
|
|
| 3 | 10 |
1.5%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 1 |
0.1%
|
|
| Missing value | 34 |