| Value | Category | Cases | |
|---|---|---|---|
| 0 | 254 |
77.2%
|
|
| 1 | 26 |
7.9%
|
|
| 2 | 2 |
0.6%
|
|
| 3 | 1 |
0.3%
|
|
| 5 | 1 |
0.3%
|
|
| Missing value | 45 |
13.7%
|